A 3D Printed Object - Part 3

Rotational molding urethane resin to make a hollow casting. This is part 3 of the Fay Jones School of Architecture + Design 3D printed Cuboid.

My most frequently asked question is what resin and rubber do I use. Here is a link to a free PDF download that lists my mold making and resin casting materials:
https://www.dropbox.com/s/kz6mhmf7v5vpy7l/Material%20and%20Suppliers.pdf?dl=0

SKIP AHEAD TO THE GOOD PARTS:

00:00 Part 3 of the Fay School of Architecture + Design 3D printed Cuboid.
00:34 Principles of rotational molding cradle design.
01:24 Hold the mold to the cradle with rubber bands.
02:09 Balance the mold on the machine.
02:25 Center the mold on the two rotational axes of the machine.
04:13 Use C-clamps to balance the mold.
05:49 Use cheap, common materials to build the cradle.
07:03 Pour the casting in multiple shots of resin. a single shot won’t work!
09:40 Centrifugal force is not how rotation casting works!
15:30 Removing the casting from the mold.
18:09 Checking for defects and flaws.
22:50 Design using rounded corners, edges and shapes.
23:47 Dealing with the pour hole.
25:55 Filling holes in the casting
27:36 Urethane resin changes color as the castings age.
28:36 Make clean castings so you don’t have to clean your castings.
28:57 Send in your projects!

Видео A 3D Printed Object - Part 3 канала Robert Tolone