A CSWA-style parametric modeling exercise. The main dimensions were given as letters, and the values came from the question text. The mass matched the expected value exactly.
Interactive 3D
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Specifications
Bounding box 210 x 223 x 133.33 mm
Mass 14217.71 g; volume 1 846 455.2 mm3; density 0.0077 g/mm3
Base 200 x 213 x 25 mm, 4 corners R10
Two tubes, 71 and 76.667 mm diameter, bores 41 mm with 2x45 deg chamfers
Drawing A3 1:2: front, section A-A, top, isometric; ISO E (first angle)
One inner corner radius (R24) was assumed; the resulting mass was correct
