11 in 1 - Workshop Multipurpose Tool Features :
Print Parameters :
Layer height - 200um / 0.2mm (100mms Linear Advance)
5 Walls (minimum) - 20% Cubic Infill
Things you require :
1 - 6mm x 4mm Neodymium Magnet
1 - Keychain Ring
Link to other Multipurpose Tools :
7 in 1 - Unisex Grooming Multipurpose Tool
https://www.prusaprinters.org/prints/89555-7-in-1-unisex-grooming-multipurpose-tool
7 in 1 - Artist Multipurpose Tool
https://www.prusaprinters.org/prints/89553-7-in-1-artist-multipurpose-tool
The author hasn't provided the model origin yet.