r/functionalprints is a subreddit with 44k members. The most common kinds of discussions are ideas and self-promotion, and the community frequently discusses 3d printing, print, holder, 3d printed, and design.
A positive and constructive space to share 3D prints with a function.
Popular Themes in r/functionalprints
#1
Ideas
: "I took yalls advice for my prototype"
39 posts
#2
Self-Promotion
: "Laptop Holder for Truck"
7 posts
Popular Topics in r/functionalprints
#1
3d Printing
: "I know this isn’t new but so much satisfaction"
66 posts
#2
: "Our cat kept trying to get to our router so I Printed some sliding doors to keep him out"
53 posts
#3
Holder
: "Fence System Bat Holder"
38 posts
#4
3d Printed
: "I heard this might be the place to share my vent cover"
30 posts
#5
Design
: "Auto grab/release salt and pepper grinder tray."
20 posts
#6
Functional
18 posts
#7
Mount
: "Only time will tell….."
16 posts
#8
Functional Prints
12 posts
#9
Functional Solutions
12 posts
#10
Household Items
8 posts
Flair Used in r/functionalprints
#1
Organisation / Storage
: "Giant coke can dispenser I designed and printed."
20 posts
#2
Tool / Jig / Fixture
: "Magnetic Window Exhaust System"
15 posts
#3
Home / Furniture / Household
: "FUF: A remote controlled car… or is it?"
10 posts
#4
Electronics / Mounts / Enclosures
: "MagSafe MeshCore/Meshtastic off-grid communication node"
5 posts
#5
Parametric Model
: "Made a parametric stackable pillbox"
4 posts
#6
Repair / Replacement Parts
: "Wet live in the future. Wife asked me to run to the hardware store for a new garden hose gasket. Download stp file from McMaster, load a spool of TPU, and 5 minutes later…"
3 posts
#7
Mechanical (Gears, Hinges, Motion)
: "Meet Mr Desk Cleaner Mechanical Loader that i designed."
3 posts
#8
Outdoor / Automotive / Bike
: "Easy to install Flock signage. Snaps on a 3" pipe with no tools in seconds. free to download and print for your own community!"
2 posts
#9
Fuckng Useles Friday
: "FUF In the grim darkness of the far future… there is only cat."
2 posts
#10
Prototype / WIP
: "My dirty quick prototype of a ratchet mechanism for one of my designs."
2 posts
Member Growth in r/functionalprints
Yearly
+20k members(82.9%)
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About
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Last updated: June 21, 2026