Size: Standard palm size.
Materials: 3D printing material.
Spring Type: Torsion
Material: Stainless Steel Wire
Wire Diameter: 1.9 ~ 2.0 millimeter
Spring Inner Diameter: 6.8 millimeter
Revolutions: 3 turns
Pitch: 2.25 millimeter
It can be either printed on ABS or PET-G.
For ABS you should prepare bed very well and use Brim 15 lines. Make sure you have closed enclosure to avoid cracks on the print. Heated Bed is 100
For Pet-G use Brim lines 15 and use PEI surface and gluestick. Heated Bed is 80.