Corrugated Plastic Brackets

Corrugated plastic panels, https://www.dickblick.com/products/corrugated-plastic-panels/

These brackets are used with 4mm corrugated plastic sheets. They are inserted into the exposed, fluted channels at both ends to create temporary structures (e.g., a collapsible enclosure for 3D printing). Painters tape can be used to provide further support along the face/vertices of the plastic sheets. Brackets are available in the following configurations with either a thin or reinforced frame:

Full set of brackets
Cross bracket
L bracket
T bracket
30° bracket
45° bracket
60° bracket
120° bracket
135° bracket
150° bracket