From stars to needles to amorphous globs, scientists are demystifying a snowflake’s complex construction, showing how factors ...

Af Klint was formally trained at the Royal Academy of Fine Arts and initially focused on drawing, portraits, botanical ...

The "head" anchor refers to the head alone. Both of these anchor types refer to the bounding cylinder for the specified screw part, except for hex heads, which anchor to a hexagonal prism. tolerance ...

Some standard modules for making 3d shapes with attachment support, and function forms that produce a VNF. Also included are shortcuts cylinders in each orientation and extended versions of the ...