1x1 Gridfinity hand drill holder.  It holds the hand drill and well as 10 drill bits.  (Sizes in mm: 3,2.8,2.5,2.2,2.0,1.8,1.5,1.2,1,0.75) You can find the drill here: https://www.amazon.com/Casting-0-8-3mm-Precision-Jewelry-Keychain/dp/B0871ST949/ref=sr_1_30?crid=2VTQ1W50G8YRU&keywords=plastic+model+hand+drill&qid=1673205448&sprefix=hand+drill+for+plastic+mod%2Caps%2C93&sr=8-30

Print settings:

• 0.2 layer height
• 15% lightning infill
• 3 top layers
• 2 bottom layers
• no support
• no build plate adhesion