Snap-fit seed container for mailing

There are three different sizes, all 32 mm (1.26 in) in diameter:

• 4.3 mm thick for seeds less than 2.8 mm
• 4.8 mm thick for seeds less than 3.4 mm
• 5.0 mm thick for seeds less than 3.7 mm

I recommend printing the first layer at 0.10 mm height so that two layers are used for the bottom of the puck, other layers are okay to be printed at 0.2 mm.