Design for hold well with Mala color pen from Ikea.
It's also fit general pen, bring easy to pick and take function.

No addition support need, easy to print.

The design can print without support and raft set.
Layer high from 0.15mm~0.3mm is fine.
Infill better to use over 10%.

Check out more cool design on
http://www.ddf3d.com/

Hope you will like it ;)