Simple IKEA Kallax shelf

Additional shelf for IKEA kallax.

full_shelf is made for full lenght shelf up to 39cm and half_shelf for something shorter.

Prints fast in 10 and 20 minutes.

Both models are 8 cm high, half_shelf is 15cm long, full_shelf is 21cm long.

With original KALLAX Insert with 1 shelf it creates 4 equal compartments.

Difference between full_shelf_2mm and full_shelf is shown on picture below, 2mm version makes shelf fit tighter. 

First try printing normal version, if it's too loose, try 2mm version.