Vinyl Record Coaster

A fun coaster that looks like a vinyl record.

A couple extra ideas:

• put stickers on them as labels of your favorite records
• add an NFC tag to share your Wi-Fi with guests
• print out a spindle stand to stack your coasters on

The OpenSCAD source is parameterized for your customizing convenience.

Note: The OpenSCAD source requires the Spiral Extrude v3.0 library by Douglas Peale from https://www.thingiverse.com/thing:1958354