Dymaxion Globe | The Making Rooms

Dymaxion Globe

Submitted: 30th August 2017

Overview

A dymaxion globe is a fun way to fairly accurately depict the world. This project is available on http://makezine.com/projects/laser-cut-dymaxion-globe/ . I downloaded the files linked in the article and printed them off on the small 60w laser cutter and the Ultimaker 2+ 3D printer.

Instructions

Step 1. Cut out panels on the 60w laser cutter

I rejigged Gavin Smith’s design for our laser cutter so you can use my design here at The Making Rooms (see “Downloads” on the RHS of your desktop.

See “Equipment and Settings” tab for cut/etch settings.

See https://makingrooms.org/projects/laser-cut-keyring/ for detailed instructions on how to use the laser cutter.

Equipment and Settings

3D Printer - Plastics

Settings:

Use whichever machine has a larger nozzle at the time of your project i.e. a  0.8mm nozzle is preferable to a  0.6mm nozzle

Use "Cura" to duplicate the one file 11 times (to get 12). Use the icons on the LHS of the software to do so.

On the RHS of the Cura screen choose your correct nozzle size to correlate with your chosen machine. Set your layer height to 0.25mm for a quick print. Now hover over all the subsequent settings and follow Cura's instructions. Get a volunteer to look over your settings once you are done.

Small Laser Cutter

Settings:

IMPORTANT
Before you proceed you must use the Colour Mapping tab in the blue print dialogue box to make sure that the laser thinks of the red lines as cut lines but that you set the power very low and the speed very high. This tricks the machine to just scoring the cut line, instead of cutting it. I used speed: 100%, power 20%, frequency: 500 Hz. Use the excellent Epilogue laser cutter manual if you need to.

ETCH
speed: 100%
power: 50%
Top-Down Etching
Image Dithering: Stucci

CUT
speed: 35%
power: 100%
frequency: 500 Hz