Flexi Rex Keychain

Small addition to the top spine(?), creating a seamless loop. The hole might be a little too small. Use the thinnest keyring you can find. 

Print with the original author's recommended setting:

• 0.2 mm layer height
• 3 perimeters (important, to make the links strong)
• 15% infill
• Solid infill threshold 8mm²

I made the top spine into a loop to make it into a keychain