Scratch Me Spider - Head scratcher with adjustable arms

Scratcher with 15 adjustable arms. The spider can be printed with different filament types to match your flexible/hard needs for a good head scratch.

I've uploaded three versions of the arms for you:

• radius 70 mm // diameter 140 mm // height 110 mm (in picture left)
• radius 85 mm // diameter 170 mm // height 80 mm (in picture right)
• radius 95 mm // diameter 190 mm // height 140 mm

Filenames: Arm_HxR.stl (H = height, R = radius)

Update 12th of October 2024: Additional arms added with thinner width. (See Arm_HxR_Thin.stl files)

Print settings

• 0.2 mm layer height
• no supports
• base, ring and knob in PLA
• arms PLA or PETG recommended - play with infill settings

Tipp: Print just two arms to match your desired size and play with print settings on the arms.

Parts to print

• 1x base
• 1x ring
• 1x knob
• 15x arms 
  • see normal and thin variant
  • see premade sets of 15 arms on one build plate

Assembly

• add ring on base
• screw knob some turns on to the base
• insert fingers between ring and base
• tighten knob
• ready

Picture showing knob left, ring center and base on the right.