Quick Change Assembly, Swap Out Pens, Markers Or Dial Indicators.

thingiverse

I wanted to design a mount for a dial indicator on my Ender 3 Pro, but I also envisioned using it to draw with pens. Clearly, the best solution was to create a device that makes swapping out parts quick and effortless. The idea is simple: each pen has its own dedicated holder, allowing you to insert, adjust height, and secure with bolts. Once all holders are adjusted properly, you can swap them in and out without adjusting the stick-out every time. I designed six interchangeable parts: 1. Dial Indicator Holder - This holds a dial indicator at the right height over the bed for precise bed leveling. I made it to fit a Mitutoyo dial indicator; other brands may not be compatible. 2. Felt Tip Pen Holder 3. Ball Point Pen Holder 4. Sharpie Marker Holder 5. Texta Pen Holder - The ones that clip together, perfect for kids' pretend play 6. Blank Panel - This conceals the dovetail on the printer when attachments are not in use Once you've placed your pens/markers/indicator, secure them with two M3x10mm Bolts and nuts. The holders attach to the main body via a snug dovetail join. The female is 0.2mm larger than the male, making it perfect for my printer's design. The blank panel has a looser fit since it doesn't support any weight. The Main Body attaches to the Ender 3 Pro using two M3 bolts provided with the printer and an additional mounting point on the hot end vents. This eliminates the need for drilling holes. I also created a compact rack that can be screwed into a wall, holding all your parts when they're not in use.