Christian

thingiverse

Here's how to build it: Go to thingiverse.com/thing:649023. Customize! You need the following options: BottomText is set, DoubleEdgeText = 1, MagnetDiameter = 3.3mm, $fn = 80, CustomDiameter = 25mm, BottomHole and TopHole both are on, EdgeText has a special touch, MagnetDepth is set to 1.6, Diameter = 25.4mm, SnapFit has its place, DoubleFaceText comes with a design, TopText gets special attention, Height = 5cm and edge bevel adds 0.5 for better finish.