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Avatar photoRylie Howerter

HIPS (High Impact Polystyrene)

May 31, 2022April 6, 2022 by Rylie Howerter

Polystyrene is a very durable plastic, used for some early bricks (PRIMA, waffle plates) and modern baseplates. Despite its impact …

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PC (Polycarbonate)

May 31, 2022April 6, 2022 by Rylie Howerter

Polycarbonate is a strong material that can be very clear. I believe that PC replaced CA for transparent parts at …

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PE (Polyethylene)

May 31, 2022April 6, 2022 by Rylie Howerter

Polyethylene is a very common thermoplastic with low strength and rigidity, and a low melting point. Its relative flexibility makes …

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CA (Cellulose Acetate)

May 31, 2022April 6, 2022 by Rylie Howerter

CA is a moderately hard thermoplastic (a plastic that softens when heated and hardens when cooled). It can have very …

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Modulex Colors

July 26, 2021January 5, 2019 by Rylie Howerter

On the right are oddities: five mystery colors (including “10 ‘Strong Red’”), 2014 Black, black CA, and a marbled Pastel …

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2014 Modulex Black

July 26, 2021July 24, 2017 by Rylie Howerter

From left to right: CA brick (dark black; an early prototype?) LEGO-Logo Mx Black M-Logo Mx Black 2014 Modulex test …

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The 2003-4 Color Change

July 26, 2021July 4, 2017 by Rylie Howerter

Grey became Medium Stone Gray, Dark Grey became Dark Stone Grey… but did you know that Lego changed all these …

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Modulex Mold Types (Part 2: Position Numbers)

July 26, 2021November 19, 2015 by Rylie Howerter

There seem to be five different molds: Old-LEGO-logo: A (1-14) Pat. pend B (1-14) Pat. pend, sometimes erased CA plastic, …

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Modulex 2×4 Molds (Part 1: Colors)

July 26, 2021November 18, 2015 by Rylie Howerter

There seem to be five different molds: Old-LEGO-logo: A (1-14) Pat. pend B (1-14) Pat. pend, sometimes erased CA plastic, …

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Modulex Color Timeline

July 26, 2021March 28, 2015 by Rylie Howerter

Modulex started out in 1963 with earthy colors for architectural planning. Modulex broke off from TLG and became its own …

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