I figured it out!!! When saving as SVG, there’s a Show More Options button that I hadn’t noticed. When it was saving, it was saving to 1 decimal place, rather than 3 (as shown in a post by Jules here: Glowforge Interface - Correctly Save a File as an SVG for the GFUI 🤔 ). My assumption is that it was rounding widths and who knows what up or down as it was saving the SVG, causing all sorts of chaos 
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