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Reddit rules index · read 2026-09-26

Can you promote on r/functionalprint?

Allowed, with limits Its rules allow sharing your own work, with conditions they spell out.

A community dedicated to share and discuss 3D prints that have a specific, practical function or use in everyday life.

What its rules say about promotion

Participate beyond your own posts
This community is not a personal showcase feed or distribution channel. Accounts that only post their own projects, videos, prints, or downloads while rarely participating in other people’s posts may have their content removed. As a rule of thumb, 10% or less of your activity should be your own content. Participate in the community beyond your own posts or your content may be removed or you may be banned.
All 8 rules of r/functionalprint
  1. No Dust Collectors. (Objects that sit on a shelf and do nothing but collect dust)
  2. No Toys/Games/Fidgets. (Other than modification or repair parts for existing toys/games)
  3. No Decorative Containers, Holders, or Stands. (Vases, Boxes, Chests, etc)
  4. No Jewelry, Ornaments, Lamps, Lampshades, Signs, or Lithophanes.
  5. No Novelty Items. (Objects whose design is mainly for appearance, decoration, or humor rather than p
    No Novelty Items. (Objects whose design is mainly for appearance, decoration, or humor rather than practical function)
  6. Tips/News/Questions/Announcements will be removed and expected to be posted in /r/3Dprinting.
  7. Participate beyond your own posts
    This community is not a personal showcase feed or distribution channel. Accounts that only post their own projects, videos, prints, or downloads while rarely participating in other people’s posts may have their content removed. As a rule of thumb, 10% or less of your activity should be your own content. Participate in the community beyond your own posts or your content may be removed or you may be banned.
  8. Posts may be removed at moderators discretion

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The verdict is our reading of r/functionalprint's rule text on 2026-09-26. Rules change and moderators decide: read the current rules before you post. Not affiliated with Reddit or r/functionalprint.