Brian S. Stephan
f14c80d8a8
50mm - 10mm of panels was fine for some levers but not enough for the LSX-NOBI, which I personally have a number of. I can't vet every lever in existence, but I know at least that this was a problem that is solved by adding 5mm, which seems like a fair trade and not a huge difference in the final product. this also helps the fact that at 40mm internal, some buttons + wiring harnesses were getting pretty tight, mostly relevant at the frame connection point where the inner bottom panel isn't a basin. this should help that too. additionally this has us go back to the 45mm M4 standoff recommendation, which kinda sucks because it seems like 40mm are easier to find, but as stated in the notes, the difference is somewhat negligible if you just use 40mm with longer bolts.
124 lines
6.3 KiB
Markdown
124 lines
6.3 KiB
Markdown
# The Buildable Stick System
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Files for 3D printing an arcade stick.
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[OpenSCAD-based illustration of how the components for an overhang panel-based stick fit together.]
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[Photo of a completed inset panel-based stick.]
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Originally an attempt to make a couple customized STL files for the [OpenStickCommunity Fightstick
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Case](https://github.com/OpenStickCommunity/Hardware/tree/main/Fightstick%20Case), the changes ballooned to fit my
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design and became incompatible with that project's components. This should be considered a different project with some
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similar DNA, but to stress again, it could not have been done without that project as a guide star. See **Attribution**.
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## Designing
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No particular arcade stick design is prescribed by this project, instead, SCAD files are provided to choose desired
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component objects or create new ones. The OpenSCAD language is essentially a functional programming language, making it
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it easy to reuse, alter, and compose objects. If you do not see the object you would like, you can likely create it by
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starting with an existing object and constructing what you'd like with new or existing components.
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## Printing
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These items all fit on a 256mm^2 print bed; I use a Bambu Lab P1P based on what I've learned from the
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OpenStickCommunity. Standard settings seem sufficiently sturdy for my purposes, though the slicer has done a couple
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weird things, in my experience.
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## Assembling
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What you'll need beyond these objects:
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* An arcade stick board (I recommend [TheTrain's RP2040 Advanced Breakout
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Board](https://github.com/OpenStickCommunity/Hardware/tree/main/RP2040%20Advanced%20Breakout%20Board))
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* 4 M3 8mm hex bolts to secure the PCB to a panel
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* Per frame and plate combo:
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* 4 45mm M4 hex brass standoffs (or equivalent)
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* 8 M4 countersunk hex bolts
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* Overhang plates should use 12-16mm length bolts since they are taller
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* Inset plates should probably use 8-12mm bolts --- some standoffs aren't threaded the whole way, making 16mm
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too long to go flush
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* If making the 45mm standoffs from multiple smaller ones, make sure they have enough length to take your bolts!
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* Per frame connection point:
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* 8 16mm M4 bolts
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* 8 M4 flange nuts
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* For a lever:
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* 4 12-16mm M4 countersunk hex bolts
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* 4 M4 flange nuts
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* For Neutrik D connections:
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* 2 10mm M3 hex bolts
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* 2 M3 flange nuts
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* Buttons and levers as desired
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* Wiring as required
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## Rough Costs
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This is a rough estimate of the cost to produce one of these sticks, assuming a usual 2-frame design and layout.
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Filament masses from Bambu Studio estimates, using Bambu PLA Basic.
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* Left and right frame: **$7.08 USD** (141.84g each, as of 2023-09-12)
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* Left and right (overhang) top panels: **~$6.74 USD** (~135g each, as of 2023-09-12)
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* Left and right (overhang) bottom panels: **$5.90 USD** (118.16g each, as of 2023-09-12)
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* Miscellaneous mounting plates, decorative plates, etc.: **~$1.00 USD** (~40g, as of 2023-09-12)
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* 8 16mm M4 bolts to connect the frames: **$0.72 USD** (you can get a pack of 100 on Amazon for $9, as of 2023-09-12)
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* 8 M4 flange nuts to connect the frames: **$0.68 USD** (you can get a pack of 100 on Amazon for $8.50, as of 2023-09-12)
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* 4 10mm M3 bolts to connect Neutrik D plates to frames: **$0.40 USD** (you can get a pack of 100 on Amazon for $10, as
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of 2023-09-12)
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* 4 M3 flange nuts to connect Neutrik D plates to frames: **$0.34 USD** (you can get a pack of 100 on Amazon for $8.50,
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as of 2023-09-12)
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* 8 45mm M4 spacers to connect panels to frames: **$2.40 USD** (you can get a pack of 10 on AliExpress for $3, as of
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2023-09-12)
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* You could 3D print these too, but you're probably better off with brass ones as they give some weight to the
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stick anyway
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* You can also use a shorter length with longer bolts, or combine multiple spacers, if either of those yield better
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prices
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* 8 16mm M4 bolts to connect top plates to frames: **$0.72 USD** (you can get a pack of 100 on Amazon for $9, as of
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* 8 12mm M4 bolts to connect bottom plates to frames: **$0.72 USD** (you can get a pack of 100 on Amazon for $9, as of
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2023-09-12)
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With an enclosure coming in around $26, depending on your choices --- say, ~$30 for TheTrain's RP2040 Advanced Breakout
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Board, ~$60 for Sanwa buttons and a lever, and ~$20 for miscellaneous connectors and wiring --- you can put a
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full-featured controller with an open source foundation together for around $135.
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## Miscellany
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See the `/docs/` directory for more thoughts too scattered for this document.
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## Issues and Limitations
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This is a living repository, and as such, there are likely issues with the objects, known or otherwise.
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These issues may be fixed in the future; see `TODO.md` for details.
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## Development and Contributing
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Improvements, variants, new layouts, novel ideas, and etc. are all welcome.
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These files are suitable for previewing and rendering in OpenSCAD. They may also work in FreeCAD and perhaps other
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software, but they are developed in OpenSCAD, so YMMV otherwise.
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## Attribution
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Inspired by the incredible work of [TheTrain](https://github.com/TheTrainGoes) on the [OpenStickCommunity Fightstick
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Case](https://github.com/OpenStickCommunity/Hardware/tree/main/Fightstick%20Case), itself based on the incredible work
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by [Dash n'Mash](https://twitter.com/Dash_xx_Mash?s=20). Original work Copyright 2023 TheTrain, [licensed under CC BY
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4.0](https://creativecommons.org/licenses/by/4.0/).
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Made possible by the amazing efforts of [slagcoin](https://www.slagcoin.com/).
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## Author and Licensing
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Written by and copyright Brian S. Stephan (<bss@incorporeal.org>).
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The Buildable Stick System is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later
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version.
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The Buildable Stick System is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with the Buildable Stick System. If not, see
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<https://www.gnu.org/licenses/>.
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