From 892f17fdff8fb1fa992196233ad81db25a67bfae Mon Sep 17 00:00:00 2001 From: zleyyij Date: Tue, 6 May 2025 20:45:10 -0600 Subject: [PATCH] vault backup: 2025-05-06 20:45:10 --- notes/3D printing/Filament.md | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/notes/3D printing/Filament.md b/notes/3D printing/Filament.md index 9e1ce21..24528d3 100644 --- a/notes/3D printing/Filament.md +++ b/notes/3D printing/Filament.md @@ -156,3 +156,22 @@ Also known as acrylic plexiglass, the high transparency of PMMA is the only adva | -------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | - Highest transparency thermoplastic
- Can be buffed to a frosted/polished surface
- High UV resistance
- Relatively affordable
| - Horrible bed adhesion
- Bad layer adhesion
- High coefficient of thermal expansion leads to constant print failures during or after the printing process
- Very brittle
- High water absorption | # TPU (Thermoplastic Polyurethane) +TPU is the most common flexible filament + +| Pros | Cons | +| ------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------- | +| - Flexibility
- Cheap
- Wide range of colors and hardnesses
- Perfect layer adhesion
- Basically shatterproof | - Permanently bonds to most build plates (use gluestick)
- Very high water absorption, needs to be dry to print well | +## Variants +### TPU (~99D) +- Harder than a skateboard wheel +- Basically rigid +- Useful because it's "shatterproof" +- Often used for combat gear or robotic applications +- Easiest TPU variant to print + +### TPU (~80D) +- About as hard as the sole of a running shoe +- Good for things like bumpers or hinges +- Still fairly easy to print + + ### TPU () \ No newline at end of file