Spoon Fork Knife
Created by Paul StLouis Template:Statusboxtop Template:Status-design Template:Status-prototype Template:Status-Model Template:Status-verified Template:Boxbottom
Abstract
- This OSAT consists of a spoke wrench and tire lever pair. The spoke wrench is used to loosen and tighten spokes on bike wheels when trying to true a wheel. The tire lever is used to assist in removal of a tire from the rim.
- The completed spoke wrench and tire levers can be seen on the right
Bill of Materials
CAD Files
STL
Extra Parts
- There are no other parts needed for this tool.
Tools needed for fabrication of the OSAT
- MOST Delta RepRap or similar RepRap 3-D printer
Skills and Knowledge Necessary to Make the OSAT
- There is no special skills needed to make this tool.
Technical Specifications and Assembly Instructions
- If any changes to the design want to be done, open the FreeCAD file and adjust the parameters.
- Slicing instructions for both the spoke wrench and tire levers
- Fill % = 60
- Speed = 70 mm/sec
- Layer Height = .10 mm
- No support needed.
- There is no assembly time
Common Problems and Solutions
No post processing is typically needed. The slots on the spoke wrench may shrink slightly during printing.
Cost savings
Cost of creating the spoke wrench
*Filament needed: 2337 mm *At a cost of $0.00007/mm the total cost is $0.16
Commercial Equivalents
*$8.20 ([1])
Saving amount
*The savings are $8.04 *The percentage of the cost savings is 98.05%
Cost of creating the tire lever pair (2)
*Filament needed: 5588 mm *At a cost of $0.00007/mm the total cost is $0.38
Commercial Equivalents
*$4.48 ([2])
Saving amount
*The savings are $4.10 *The percentage of the cost savings is 91.52%