{"id":122,"date":"2025-03-03T19:17:34","date_gmt":"2025-03-03T19:17:34","guid":{"rendered":"http:\/\/localhost\/wordpress\/?page_id=122"},"modified":"2026-07-28T18:11:15","modified_gmt":"2026-07-28T16:11:15","slug":"replica-project","status":"publish","type":"page","link":"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/index.php\/m-94\/replica-project\/","title":{"rendered":"Replica Project"},"content":{"rendered":"\n<p class=\"is-style-default has-text-color has-link-color wp-elements-1 wp-block-paragraph\" style=\"color:#ffb959\">Status: <span style=\"text-decoration: underline;\"><strong>Parts produced<\/strong><\/span><\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Presentation<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">The goal of this project is to build a replica of the M-94 device that could be used to decipher actual M-94-enciphered messages, and make it as close to the original as possible while remaining economically feasible. For this reason it will be mostly 3D-printed, with some metal parts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The first step is extensive research to ascertain the shape and dimensions of every part, for an accurate reproduction.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The device can then be modeled.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Parts are 3D-printed, tested and adapted if necessary.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Necessary metal parts are machined or outsourced.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-right\">3D modeling<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">The device is composed of the following parts (for a more precise description, see&nbsp;<a href=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/index.php\/m-94\/technical-informations\/\" data-type=\"page\" data-id=\"113\">Technical infos<\/a>):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>25 discs, each with a different alphabet on its rim<\/li>\n\n\n\n<li>A shaft with a knurled flat nut at the left end, and threaded at the right end<\/li>\n\n\n\n<li>A left end cap<\/li>\n\n\n\n<li>A right end cap with a straightedge<\/li>\n\n\n\n<li>A thumb knurled nut&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A stand is also designed.<\/p>\n\n\n\n<div style=\"height:38px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"alignnormal\"><div id=\"metaslider-id-134\" style=\"width: 100%;\" class=\"ml-slider-3-110-0 metaslider metaslider-flex metaslider-134 ml-slider has-dots-nav ml-slider-lightbox-2-34-0 lightbox-disabled ms-theme-default-base\" role=\"region\" aria-label=\"M-94\" data-height=\"300\" data-width=\"700\">\n    <div id=\"metaslider_container_134\">\n        <div id=\"metaslider_134\">\n            <ul class='slides'>\n                <li style=\"display: block; width: 100%;\" class=\"slide-400 ms-image \" aria-roledescription=\"slide\" data-date=\"2025-03-09 10:06:40\" data-filename=\"m94render-rightcap.png\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-rightcap.png\" class=\"slider-134 slide-400 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94render-rightcap\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-rightcap.png 640w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-rightcap-300x225.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div><span style=\"color:rgb(0,0,0);\">Name plate<\/span><\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-401 ms-image \" aria-roledescription=\"slide\" data-date=\"2025-03-09 10:07:11\" data-filename=\"m94render-disc.png\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-disc.png\" class=\"slider-134 slide-401 msDefaultImage\" alt=\"\" rel=\"\" title=\"Disc\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-disc.png 640w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-disc-300x225.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>Disc<\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-402 ms-image \" aria-roledescription=\"slide\" data-date=\"2025-03-09 10:07:50\" data-filename=\"m94render-knob.png\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-knob.png\" class=\"slider-134 slide-402 msDefaultImage\" alt=\"\" rel=\"\" title=\"Thumb screw\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-knob.png 640w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-knob-300x225.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>Thumb screw<\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-403 ms-image \" aria-roledescription=\"slide\" data-date=\"2025-03-09 10:08:16\" data-filename=\"m94render-nut.png\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-nut.png\" class=\"slider-134 slide-403 msDefaultImage\" alt=\"\" rel=\"\" title=\"Flat knurled screw\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-nut.png 640w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-nut-300x225.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>Flat knurled screw<\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-404 ms-image \" aria-roledescription=\"slide\" data-date=\"2025-03-09 10:08:36\" data-filename=\"m94render-ruler.png\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-ruler.png\" class=\"slider-134 slide-404 msDefaultImage\" alt=\"\" rel=\"\" title=\"Guide rule\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-ruler.png 640w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-ruler-300x225.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>Guide rule<\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-405 ms-image \" aria-roledescription=\"slide\" data-date=\"2025-03-09 10:09:00\" data-filename=\"m94render-M94b.png\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1080\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-M94b.png\" class=\"slider-134 slide-405 msDefaultImage\" alt=\"\" rel=\"\" title=\"Assembled M-94\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-M94b.png 1920w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-M94b-300x169.png 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-M94b-1024x576.png 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-M94b-768x432.png 768w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94render-M94b-1536x864.png 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>Assembled M-94<\/div><\/div><\/div><\/li>\n            <\/ul>\n        <\/div>\n        \n    <\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3D printing<\/strong><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"705\" height=\"300\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94-printed.jpg\" alt=\"\" class=\"wp-image-378\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94-printed.jpg 705w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2025\/03\/m94-printed-300x128.jpg 300w\" sizes=\"auto, (max-width: 705px) 100vw, 705px\" \/><figcaption class=\"wp-element-caption\"><em>First 3D-printed version, rough and non-functional<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The small size of the disks makes it a challenge to achieve a good quality with 3D-printing, so several methods were tested, with various results.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Metal-filled filament<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The initial goal was to use metal-filled filament, so the object looked better and felt heavy and cold like the original, but this never yielded satisfactory results.<\/p>\n\n\n\n<div class=\"alignnormal\"><div id=\"metaslider-id-1016\" style=\"width: 100%;\" class=\"ml-slider-3-110-0 metaslider metaslider-flex metaslider-1016 ml-slider has-dots-nav ml-slider-lightbox-2-34-0 lightbox-disabled ms-theme-default-base\" role=\"region\" aria-label=\"M94-metalfilled\" data-height=\"300\" data-width=\"700\">\n    <div id=\"metaslider_container_1016\">\n        <div id=\"metaslider_1016\">\n            <ul aria-live='off' class='slides'>\n                <li style=\"display: block; width: 100%;\" class=\"slide-1018 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-28 18:08:07\" data-filename=\"m94-metalfilled-4.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"983\" height=\"843\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-4.jpg\" class=\"slider-1016 slide-1018 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-metalfilled (4)\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-4.jpg 983w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-4-300x257.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-4-768x659.jpg 768w\" sizes=\"auto, (max-width: 983px) 100vw, 983px\" \/><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-1019 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-28 18:08:07\" data-filename=\"m94-metalfilled-3.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1294\" height=\"625\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-3.jpg\" class=\"slider-1016 slide-1019 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-metalfilled (3)\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-3.jpg 1294w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-3-300x145.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-3-1024x495.jpg 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-3-768x371.jpg 768w\" sizes=\"auto, (max-width: 1294px) 100vw, 1294px\" \/><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-1020 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-28 18:08:07\" data-filename=\"m94-metalfilled-2.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1098\" height=\"510\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-2.jpg\" class=\"slider-1016 slide-1020 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-metalfilled (2)\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-2.jpg 1098w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-2-300x139.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-2-1024x476.jpg 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-2-768x357.jpg 768w\" sizes=\"auto, (max-width: 1098px) 100vw, 1098px\" \/><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-1017 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-28 18:08:07\" data-filename=\"m94-metalfilled-5.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"888\" height=\"780\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-5.jpg\" class=\"slider-1016 slide-1017 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-metalfilled (5)\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-5.jpg 888w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-5-300x264.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metalfilled-5-768x675.jpg 768w\" sizes=\"auto, (max-width: 888px) 100vw, 888px\" \/><\/li>\n            <\/ul>\n        <\/div>\n        \n    <\/div>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PCTG<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Another attempt was made with PCTG, which allows the use of a smaller nozzle compared to metal-filled filament.<\/p>\n\n\n\n<div class=\"alignnormal\"><div id=\"metaslider-id-890\" style=\"width: 100%;\" class=\"ml-slider-3-110-0 metaslider metaslider-flex metaslider-890 ml-slider has-dots-nav ml-slider-lightbox-2-34-0 lightbox-disabled ms-theme-default-base\" role=\"region\" aria-label=\"M94-fdm\" data-height=\"300\" data-width=\"700\">\n    <div id=\"metaslider_container_890\">\n        <div id=\"metaslider_890\">\n            <ul aria-live='off' class='slides'>\n                <li style=\"display: block; width: 100%;\" class=\"slide-899 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-26 17:12:24\" data-filename=\"m94-fdm1.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1491\" height=\"1128\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-fdm1.jpg\" class=\"slider-890 slide-899 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-fdm1\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-fdm1.jpg 1491w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-fdm1-300x227.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-fdm1-1024x775.jpg 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-fdm1-768x581.jpg 768w\" sizes=\"auto, (max-width: 1491px) 100vw, 1491px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>A few discs printed with Fused deposition modeling<\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-900 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-26 17:12:24\" data-filename=\"m94-fdm2.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1713\" height=\"965\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-fdm2.jpg\" class=\"slider-890 slide-900 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-fdm2\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-fdm2.jpg 1713w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-fdm2-300x169.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-fdm2-1024x577.jpg 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-fdm2-768x433.jpg 768w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-fdm2-1536x865.jpg 1536w\" sizes=\"auto, (max-width: 1713px) 100vw, 1713px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>Both faces of discs printed with Fused deposition modeling<\/div><\/div><\/div><\/li>\n            <\/ul>\n        <\/div>\n        \n    <\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The results were decent enough but it appears this is pushing the limits of this method; the discs may be too small to be printed with acceptable quality on a filament printer.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Resin<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The next attempt was with resin printing, which allows a better resolution.<\/p>\n\n\n\n<div class=\"alignnormal\"><div id=\"metaslider-id-901\" style=\"width: 100%;\" class=\"ml-slider-3-110-0 metaslider metaslider-flex metaslider-901 ml-slider has-dots-nav ml-slider-lightbox-2-34-0 lightbox-disabled ms-theme-default-base\" role=\"region\" aria-label=\"M94-resin\" data-height=\"300\" data-width=\"700\">\n    <div id=\"metaslider_container_901\">\n        <div id=\"metaslider_901\">\n            <ul aria-live='off' class='slides'>\n                <li style=\"display: block; width: 100%;\" class=\"slide-903 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-26 17:14:48\" data-filename=\"m94-sla1.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1867\" height=\"1012\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla1.jpg\" class=\"slider-901 slide-903 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-sla1\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla1.jpg 1867w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla1-300x163.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla1-1024x555.jpg 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla1-768x416.jpg 768w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla1-1536x833.jpg 1536w\" sizes=\"auto, (max-width: 1867px) 100vw, 1867px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>Both sides of M-94 discs printed with resin<\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-904 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-26 17:14:48\" data-filename=\"m94-sla2-e1785079710506.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1145\" height=\"745\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla2-e1785079710506.jpg\" class=\"slider-901 slide-904 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-sla2\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla2-e1785079710506.jpg 1145w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla2-e1785079710506-300x195.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla2-e1785079710506-1024x666.jpg 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla2-e1785079710506-768x500.jpg 768w\" sizes=\"auto, (max-width: 1145px) 100vw, 1145px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>M-94 discs printed with resin<\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-902 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-26 17:14:38\" data-filename=\"m94-sla3.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"2140\" height=\"535\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla3.jpg\" class=\"slider-901 slide-902 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-sla3\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla3.jpg 2140w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla3-300x75.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla3-1024x256.jpg 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla3-768x192.jpg 768w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla3-1536x384.jpg 1536w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-sla3-2048x512.jpg 2048w\" sizes=\"auto, (max-width: 2140px) 100vw, 2140px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>M-94 guide rule printed with resin<\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-1013 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-28 18:04:52\" data-filename=\"m94-resin-3.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"948\" height=\"454\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-3.jpg\" class=\"slider-901 slide-1013 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-resin (3)\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-3.jpg 948w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-3-300x144.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-3-768x368.jpg 768w\" sizes=\"auto, (max-width: 948px) 100vw, 948px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>M-94 disc, printed with resin and painted<\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-1015 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-28 18:04:52\" data-filename=\"m94-resin-1.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1064\" height=\"968\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-1.jpg\" class=\"slider-901 slide-1015 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-resin (1)\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-1.jpg 1064w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-1-300x273.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-1-1024x932.jpg 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-1-768x699.jpg 768w\" sizes=\"auto, (max-width: 1064px) 100vw, 1064px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>M-94 disc, printed with resin and painted<\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-1014 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-28 18:04:52\" data-filename=\"m94-resin-2.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1087\" height=\"970\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-2.jpg\" class=\"slider-901 slide-1014 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-resin (2)\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-2.jpg 1087w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-2-300x268.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-2-1024x914.jpg 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-resin-2-768x685.jpg 768w\" sizes=\"auto, (max-width: 1087px) 100vw, 1087px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>M-94 disc, printed with resin and painted<\/div><\/div><\/div><\/li>\n            <\/ul>\n        <\/div>\n        \n    <\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The resulting parts look very good, although they lack the heavier feel that was hoped for with metal-filled filament.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Metal<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Finally, metal 3D-printing was tested.<\/p>\n\n\n\n<div class=\"alignnormal\"><div id=\"metaslider-id-905\" style=\"max-width: 400px;\" class=\"ml-slider-3-110-0 metaslider metaslider-flex metaslider-905 ml-slider has-dots-nav ml-slider-lightbox-2-34-0 lightbox-disabled ms-theme-default-base\" role=\"region\" aria-label=\"M94-metal\" data-height=\"200\" data-width=\"400\">\n    <div id=\"metaslider_container_905\">\n        <div id=\"metaslider_905\">\n            <ul aria-live='off' class='slides'>\n                <li style=\"display: block; width: 100%;\" class=\"slide-908 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-26 17:16:42\" data-filename=\"m94-metal-2.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1214\" height=\"1147\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-2.jpg\" class=\"slider-905 slide-908 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-metal (2)\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-2.jpg 1214w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-2-300x283.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-2-1024x967.jpg 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-2-768x726.jpg 768w\" sizes=\"auto, (max-width: 1214px) 100vw, 1214px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>M-94 disc printed with metal<\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-907 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-26 17:16:42\" data-filename=\"m94-metal-1.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1171\" height=\"1098\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-1.jpg\" class=\"slider-905 slide-907 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-metal (1)\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-1.jpg 1171w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-1-300x281.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-1-1024x960.jpg 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-1-768x720.jpg 768w\" sizes=\"auto, (max-width: 1171px) 100vw, 1171px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>M-94 disc printed with metal<\/div><\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-906 ms-image \" aria-roledescription=\"slide\" data-date=\"2026-07-26 17:16:42\" data-filename=\"m94-metal-3.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1126\" height=\"599\" src=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-3.jpg\" class=\"slider-905 slide-906 msDefaultImage\" alt=\"\" rel=\"\" title=\"m94-metal (3)\" srcset=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-3.jpg 1126w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-3-300x160.jpg 300w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-3-1024x545.jpg 1024w, http:\/\/sfisqlu.cluster100.hosting.ovh.net\/wp-content\/uploads\/2026\/07\/m94-metal-3-768x409.jpg 768w\" sizes=\"auto, (max-width: 1126px) 100vw, 1126px\" \/><div class=\"caption-wrap\"><div class=\"caption\"><div>M-94 disc printed with metal<\/div><\/div><\/div><\/li>\n            <\/ul>\n        <\/div>\n        \n    <\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The results look great, the parts are even heavier than the original.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The cost is of course many times that of the other methods, and making the entire device with this method would be very expensive.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Status: Parts produced Presentation The goal of this project is to build a replica of the M-94 device that could be used to decipher actual M-94-enciphered messages, and make it as close to the original as possible while remaining economically feasible. For this reason it will be mostly 3D-printed, with some metal parts. The first [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":323,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"wp-custom-template-m-94","meta":{"footnotes":""},"class_list":["post-122","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>M-94 | Replica Project<\/title>\n<meta name=\"description\" content=\"Building a replica of the M-94 device that could be used to decipher actual M-94-enciphered messages, with 3D-printing\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/sfisqlu.cluster100.hosting.ovh.net\/index.php\/m-94\/replica-project\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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