From 0e842c3bc856cd9abd7cabd8b9ac4ed3aa1a996e Mon Sep 17 00:00:00 2001 From: joladisto Date: Wed, 18 Dec 2024 16:28:31 +0100 Subject: [PATCH] update --- Readme.md | 35 +++++++++++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) diff --git a/Readme.md b/Readme.md index 473c491..3e365de 100644 --- a/Readme.md +++ b/Readme.md @@ -11,16 +11,26 @@ :warning: **WARNING : _Please don't use a 3D printed canister (or even our mask) in life threatening situations !_** :warning: +This filter canister works by holding a filtering material - _usully activated charcoal_ - in between two securelly held mask/filter pieces. + +The center sleeve is made to hold both the mask/filter pieces, using the pressure of the two outer shell part being screwed in together around the sleeve. + Image not available -_Coming soon !_ +This repository also provides a _plug_ to use instead of a canister for masks that have two threads for canister - _like the one we provide at_ [distorsion/3D-printed-parametric-gaz-mask](https://git.deuxfleurs.fr/distorsion/3D-printed-parametric-gaz-mask) - which you can print from the [3Dfiles/nato_thread_plug.stl](./3Dfiles/) file. ## 2 - Assembly +Once you have printed all the requiered pieces as described in the [_3D printing section_](#3-3d-printing), the assembly is simply done in three steps : + Image not available +_Coming soon !_ + Image not available +_Coming soon !_ + Image not available _Coming soon !_ @@ -29,7 +39,18 @@ _Coming soon !_ Image not available -_Coming soon !_ +To assemble a full canister, you need to need to print : + - 1 _sleeve_ from [3Dfiles/canister_sleeve.stl](./3Dfiles/) + - 1 _cap_ from [3Dfiles/canister_cap.stl](./3Dfiles/) + - 1 _main body_ from [3Dfiles/canister_main_body.stl](./3Dfiles/) + +You can also print a _plug_ to use instead of a canister for masks that have two threads for canister - _like the one we provide at_ [distorsion/3D-printed-parametric-gaz-mask](https://git.deuxfleurs.fr/distorsion/3D-printed-parametric-gaz-mask) - which you can print from the [3Dfiles/nato_thread_plug.stl](./3Dfiles/) file. + +There is no particular printing parameters or material requierments to make this canister properly work. Note that every file provided can be printed without support : + - print the _plug_ ([3Dfiles/nato_thread_plug.stl](./3Dfiles/)) with the flat face facing down. + - print the _sleeve_ with one of the open end pointing down. + - print the _cap_ with the flat face pointing down. + - print the _main body_ with the 40mm thread pointing down, you can add a skirt to support it better if you fear it falling over mid-print. ## 4 - Parameters @@ -37,4 +58,14 @@ If you want to changes the parameters of this design, you can edit the _Freecad_ If you want/need to change parameters, we would suggest you play with them and try to understand the impact of each parameters. We will only explain a small selection of important parameters that you are most likely to have to edit. +We will only describe a few parameters that you are most likely to have to change. + +### 4.a - Structural parameters + +_**wall_thickness** :_ \[_default=2.7mm_\] The wall thickness accross the print (_except for the strap attachment point_). Can be tweeked to make the print either stronger or weaker but lighter and faster to print. + +_**snap_fit_clearance** :_ \[_default=0.09mm_\] The clearance between two objects that would fit togeteher with difficulty. Also impact the clearance betwen threads. + +### 4.b - Geometrical parameters + _Coming soon !_ \ No newline at end of file