This is a snug-fitting end cap designed for oval (capsule-shaped) tubes with internal dimensions of 29 mm × 40 mm. Ideal for finishing open tube ends in railing systems, furniture, or structural frames. The cap provides a clean look and prevents dust or debris from entering the tube.
internal dimensions 29 mm x 41 mm![]()
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A small gap is intentionally left between the plug and the tube edge to allow easy removal.
The author marked this model as their own original creation.