Is this 3D model free to download?

Yes, Iris Plotting Compass (No glue or screws, also an incredibly fun desk toy) is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by giedzinski, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Iris Plotting Compass (No glue or screws, also an incredibly fun desk toy) 3D printable model by giedzinski

Iris Plotting Compass (No glue or screws, also an incredibly fun desk toy) photo 1

Iris Plotting Compass (No glue or screws, also an incredibly fun desk toy) photo 2

Iris Plotting Compass (No glue or screws, also an incredibly fun desk toy) photo 3

Iris Plotting Compass (No glue or screws, also an incredibly fun desk toy) photo 4

Iris Plotting Compass (No glue or screws, also an incredibly fun desk toy)

Source: Thingiverse by giedzinski

The Iris Plotting Compass (No glue or screws, also an incredibly fun desk toy) is a free printable 3D model from Thingiverse by giedzinski. Are you an artist who struggles to draw circles between 10 and 70 mm in diameter? Well, I'm not, but you're in exactly the right place. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

2,782 saves Source: Thingiverse Updated 2026-10-31 License: CC-BY · commercial OK 20 makes Category: Tools & Workshop

Tags: art, circle, circle drawing, desk toy, drawing, drawing compass, iris, plotting compass

About this model

Are you an artist who struggles to draw circles between 10 and 70 mm in diameter? Well, I'm not, but you're in exactly the right place. Even if you're not an artist, this plotting compass is a very fun make. Similar designs retail for ungodly prices online. This plotting compass may not match their precision, but it can be yours for only a fraction of a 1kg PLA spool. Features include sixteen thin iris leaves, an ornate dial, a diameter scale measured in centimeters, optional TPU grips underneath, and an outer ring with a customized thread that prevents over-tightening during assembly. I'd love to see remixes of this design, so I've included my Fusion360 files. Maybe an iris box for trinkets? I once used a similar iris design as a lamp dimmer in college. Iris doors are fun to play around w…

Frequently asked questions

Is this 3D model free to download?: Yes. Iris Plotting Compass (No glue or screws, also an incredibly fun desk toy) is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by giedzinski.
Who made this model?: Designed by giedzinski, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.