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Formlabs Form 4 Teardown
has recently launched the fourth edition of their flagship SLA printer line, the Form 4. Of course, I jumped on the chance to do a teardown of the printer; I’m grateful that I was able to do the same for the Form 1, Form 2, and Form 3 generations.
I’m definitely no expert in 3D printing technology – my primary exposure is through doing these teardowns – but from a first-principles perspective I can see many facial challenges around using LCDs as a light modulator for UV, such as reliability, uniformity, and build volume. Being able to purchase modules like the Raspberry Pi CM with all the hard bits like high-speed DDR memory routing, emissions certification, and a Linux distro frees staff resources in other hardware companies (like Formlabs and my own) to focus on other aspects of products. The main trick is to boot the Form 4 with the original LCD plugged in (it needs to read the correct EDID from the panel to ensure it’s there, otherwise you get an error message), and then swap out the cable to an external monitor.
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