Source link : https://www.thingiverse.com/thing:2816025 Summary 7 years ago I made my first 3D printer (an Ultimaker) one of my first prints was a bong I downloaded from Thingiverse. I ended up using that bong for 2 years before leaks on the bottom made it unusable. Now, I'd like to give back to the community with my own 3D printed bong design. Many iterations on this design have got me to a bong that's functional, easy to print, and hits smoothly. Here are the Specs: 14mm Downstem Base 8 armed percolater Internal Splash Guard Ice Catcher 10 Inches tall, or 247mm 6 Oz for optimal water level I hope you enjoy :) www.pre-volve.com if you'd like to buy a bong direct (or shoes) Update 8/12/19 I've uploaded a new smaller version of the original Bong that stands at roughly 247 mm tall for those of you working with smaller build volumes. Enjoy :) Print Settings Printer brand: Creality Printer: CR-10 Rafts: No Supports: No Resolution: .2 mm layer Infill: 40 Notes: I've been printing these bongs in TPU and they work great, though PLA and other filaments should work as well. I recommend 5-6 top and bottom layers with 3-4 outside layers, reduce cooling if possible and overextrude by 1-2% in order to mitigate any leaking. Doesn't require Support, infill 25-40 % Post-Printing Post Processing I would recommend running rinsing your print, running it through the dishwasher (Depending on your Filament) or soaking it overnight with alcohol to remove any burnt filament that may have been left inside the print. How I Designed This Grasshopper in Rhino I used algorithmic 3D modeling to quickly iterate on the design of this bong. Grasshopper makes it easy to change one dimension, say height, and have the rest of the model adjust accordingly.
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