Thumbscrew with openscad source.

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This is an adjustable thumb screw designed to accommodate varying thread sizes for nuts. To specify parameters, simply look at the top section of this document: "margin" denotes extra clearance between the nut receptacle and the thread hole; other parameters include: - Handle thickness measured in millimeters - Handle diameter also measured in millimeters - Spacer height - Thickness of the wall surrounding the nut - Whether to drill a hole through the entire assembly - Placement options for the nut: false indicates placement at the spacer top, while true means it's situated at the knob end; the parameters "nutHeight" and "nutDepth" measure the depth of the hole where the nut is placed; "nutDiameter" is measured from one flat edge to the other with a bit of added clearance for extra comfort. Additionally, specify the diameter of the thread and allow some extra room for convenience.