PLA Plus vs TPU (flexible) for 3D printing
Choose PLA Plus for prototypes and concept models; choose TPU (flexible) for phone cases and bumpers.
PLA Plus — starting price
$4.60 / part
Strong, ductile, cost-effective. Great for most prints.
Full PLA Plus guideTPU (flexible) — starting price
$10.00 / part
Rubbery, bendable. Phone cases, gaskets, grips.
Full TPU (flexible) guideSide by side
| Property | PLA Plus | TPU (flexible) |
|---|---|---|
| Strength | High, but stiffer/more brittle than PETG | Tear-resistant |
| Flexibility | Low | Very high (rubbery) |
| Heat resistance | Low (softens ~60 °C) | Medium |
| Outdoor / UV | Indoor use only | — |
| Finish | Crisp detail — easy to sand and paint | Semi-matte, grippy |
| Density | 1.24 g/cm³ | 1.21 g/cm³ |
| Starting price | $4.60 / part | $10.00 / part |
Choose PLA Plus when…
- Prototypes and concept models
- Brackets, jigs, and everyday functional parts
- Toys, figurines, and display pieces
- Anything used indoors
Reach for something else for
- Parts left in a hot car or direct sun — PLA softens around 60 °C
- High-heat or heavy-load engineering parts (choose PETG, ABS, or PPA-CF)
Choose TPU (flexible) when…
- Phone cases and bumpers
- Gaskets, seals, and grommets
- Grips, straps, and handles
- Vibration dampers and feet
Reach for something else for
- Rigid structural parts — use PLA, PETG, or PPA-CF
Still not sure?
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