Creating A Dome With Plastic Sheets And A Fan

Place a box or room fan in the center of the open end.

Creating a dome with plastic sheets and a fan.

We covered our first dome with used greenhouse plastic poly that was given to us by a friend. Casting resins are usually clear and colorless but you can color them using suitable dyes. 9 years later that dome is still covered with the same plastic. Covering the geodome greenhouse with greenhouse plastic film.

A plastic sheet is clamped in a frame. The sheet and the frame are moved close to heating elements which makes the plastic soft and pliable. When mixed together they form a hard rigid plastic. Perfect for creating displays prototypes snow globes school projects costumes and more.

When it s ready you ll find it flexible when you try to pick it up. One way to make transparent or translucent plastic at home is to use a plastic casting resin mix. The plexiglas was softened in a toaster oven clamped over the business end of the chamber and a few puffs of air inflated the plastic to form a dome. Lie the sheets flat on the floor and place a simple box or room fan in front of the open end of the sheets.

Line up the fan in the center of the opening and make sure it s facing so the airflow is directed toward the sheets. It still had plenty of life left. The frame is lowered and the plastic is stretched over the mold while vacuum is activated to suck all the air out from between the plastic and the mold thus forming the part. Plus same day shipping and discounts for buying.

We carry a wide variety of clear plastic dome sizes from 3 8 domes up to a 6 outer diameter. Wait about 10 minutes for it to warm fully. It was a commercial greenhouse and the greenhouse plastic was of good quality. Place the plastic sheet on a cookie sheet and place in an oven set to 250 f.