This twin spur gear has 12/36 cogs, M1/M1, heigh 8/6. (ready to print).
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You need a special cog wheel write me number of cogs (x/x), Modul (xmm/xmm), height (xmm/xmm) !
Price is depending on Volume, don´t pay before your model is ready to print.

mcad(at)gmx.org

Amtrak station sign, made to be a little desk nametag.