When to choose PLA
PLA is the right pick when cost + turnaround matter more than mechanical performance. Design reviews, show-and-tell prototypes, enclosure mock-ups, jigs for non-load-bearing fixturing, desk-toy commissions, educational kits, tabletop miniatures, and any part that lives indoors at room temperature.
When to pick something else
Skip PLA for anything that will sit in a hot car (summer cab temps hit 70°C+), anything that needs UV stability, anything that rubs against a metal part under load, or anything food-contact beyond a single use. Step up to PETG or ABS if any of those apply.
PLA Properties & Datasheet
Verified against manufacturer datasheets and our own print testing at the San Diego shop.
| Tensile strength | 37 MPa | Yields before ABS or PETG |
| Heat deflection | 52 °C | Car-interior hot days will soften PLA |
| Layer adhesion | Excellent | Low warp, strong Z-axis bond |
| Dimensional accuracy | ±0.2 mm | Best in class for FDM |
| Surface finish | Sharp, glossy | Crisp detail retention |
| Post-process | Sand, paint, superglue | No vapor smoothing (not solvent-soluble) |
| Food-safe? | Only food-grade PLA; single use | We print with FDA-compliant spools on request |
| UV resistance | Poor | Yellows and degrades outdoors |
DESIGN TIPS
Designing for PLA
- 01Walls: 2 perimeters (0.8mm) is fine for cosmetic, 4 perimeters (1.6mm) for structural.
- 02Overhang limit: ~60° unsupported — above that, slicer will place supports.
- 03Bridging: 8–10mm clean; longer bridges need support.
- 04Threads: tapping M3 in PLA holds; M4+ holds well. For threaded inserts use heat-set.
- 05Snap-fits: PLA is brittle at the flex point — design with generous fillets or pick PETG.
CUSTOMER WORK
Real parts we've printed in PLA
UCSD Shield Box
White PLA enclosure for an electronics demo, 3-day turnaround.
SAHR Week Trophy
Blue PLA presentation trophy, large-format single-piece print.
AMC Display Box
Natural PLA retail display, Fine quality for a showroom finish.
PLA FAQ
How much does PLA 3D printing cost?+
What is PLA best for?+
When should I NOT use PLA?+
What does TAKT 3D's PLA print setup require?+
How long is PLA 3D printing turnaround?+
Ready to print in PLA?
Upload your STL, STEP, OBJ, or 3MF and get an instant price in PLA — no form, no sales call.