I designed this thing in order to precisely measure out sugar for my beer bottles. As it is parametric, you can change the dimensions to measure out other substances such as coffee, spices, etc..
Open the FCSTD file with FreeCAD, adjust the dimensions in the spreadsheet and export the new thing in STL. The handle hole diameter is hard coded to one third of the handle witdth. I provide a STL (25mm/12mm cup) as an example so you can view it in Meshlab.
Feel free to modify this thing at your convenience.
Good design is hard work, donations are welcome.
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