We had a requester suggest modify the pen ball for smart board pens. I have attached the adjusted design. [pen ball smartboardPen_Ball_Bottom_v_1_0_0.stl|attachment](upload://qXy53MvXlwQNF3CfYp9EI7i2QwF.stl) (419.1 KB) [pen ball smartboardPen_Ball_Top_v_1_0_0.stl|attachment](upload://iSFi38d22fehQpYhTUqq8uDoy0g.stl) (424.1 KB)
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