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Chat64 Cartridge (THT Version) for Commodore 64 (C64) — image 1
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Chat64 Cartridge (THT Version) for Commodore 64 (C64)

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This is a custom cartridge I made for the Chat64 (https://chat64.nl)

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Model information

Category
Computers
License
Creative Commons — Attribution — Noncommercial

This is a custom model for the THT version (https://www.chat64.nl/downloads.php) of the Chat64 cartridge. The original model fit a bit tight in my breadbin so I created this and added a few QOL enhancements:

  1. The “top” takes an M3xD5 threaded insert to be used with a 16mm M3 countersunk machine screw. This preserves the top face.
  2. Added a label cutout and “grip” detailing

These are a bit tricky to print in FDM so I would suggest the following:

  • Print both sides face UP
  • I used normal supports set to “snug” 
  • Top & Bottom Z distance = 0
  • Top & Bottom interface layers = 3
  • Support/object xy distance = 0.5
  • Support/object first layer = 0.2
  • PLA for the material, PETG for the support interface material
  • I printed the button in clear PC

I also enabled ironing at 60mm/sec, 30% flow, 0.2 inset with a 0.4mm nozzle

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