Last year (wow, has it really been that long?), we took a look at individual LEGO parts’ mold variations and the different techniques that were unlocked by using one specific variation or another. Well, our amazing readers had all kinds of great feedback, including a few elements that I hadn’t even considered the first time around! I’ll be highlighting some of those, plus a few more that I’ve thought of or discovered in the interim as we dive once more into… molds over time! Stacking Up Let’s start with a brief summary of the last article: many LEGO elements have been changed over time for various reasons, such as to make them more “in system” to match the design ideology of more modern pieces, or simply to enhance their functionality. Whether deliberately or by circumstance, this has created situations where different variations of the same element can be used for totally...

