Hollow Cylindrical Sleeve with Ski-Doo Engraving

Create a hollow vertical cylindrical sleeve in millimeters. Set the cylinder axis to Z and the bottom face at Z=0. Overall height 75.00 mm. Main outside diameter 77.00 mm and main inside diameter 67.00 mm, giving a nominal 5.00 mm wall thickness. Keep both cylindrical walls straight for most of the height. At the top rim, create a 2 mm x 2 mm 45-degree chamfer on the inside edge beginning at approximately Z=73 mm, changing the inside radius from 33.5 mm to 35.5 mm at Z=75. Create a 1 mm x 1 mm 45-degree chamfer on the outside edge beginning at Z=74 mm, changing the outside radius from 38.5 mm to 37.5 mm at Z=75. This leaves an approximately 2 mm wide flat annular top face. The lower edge is essentially square. Add a recessed Ski-Doo graphic on the outside cylindrical wall. The engraving depth is 0.50 mm and must conform to the cylindrical surface rather than being cut from a flat plane. The lower graphic is the stylized italic word “ski-doo”, approximately 43.8 mm wide measured along the developed cylindrical arc and 9.35 mm tall, extending from Z=21.74 to Z=31.09 mm. Above it, add the characteristic two-part Ski-Doo graphic: a large curved crescent/blade-shaped symbol plus a separate thin curved stripe below it. The complete upper graphic is approximately 60.0 mm wide along the developed cylindrical surface, extending from Z=33.14 to Z=62.54 mm. Engrave both elements 0.50 mm deep.

Parameters

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