The short answerPLA for finish. PETG for watertight.
A vase needs a smooth surface and, if it holds water, a watertight wall. PLA is the pick for a dry decorative vase with a fine finish. PETG is the pick for a vase that holds water. Silk PLA adds a glossy option.
What a vase asks of a filament
A vase is a single-wall or thin-wall print, so it needs a smooth surface and clean layers. If it holds water, the walls must bond watertight. PLA gives the best finish for a dry vase. PETG bonds watertight for a wet one.
How the materials compare
| Property | PLA | PLA+ | PETG |
|---|---|---|---|
| Surface finish | Best | Good | Good |
| Watertight | Poorly | Poorly | Yes |
| Thin-wall print | Good | Good | Good |
| Ease of print | Easy | Easy | Medium |
| Best for | Dry vases | Dry vases | Wet vases |
When to pick PLA
Pick PLA for a dry decorative vase. It prints a smooth surface and clean single walls at 200 to 220 °C. Silk PLA adds a glossy finish that suits a display vase.
When to pick PETG
Pick PETG for a vase that holds water. It bonds layers watertight at 240 to 260 °C, so the walls do not seep. Add extra perimeters or a sealing coat for a tall vase.
Frequently asked
What is the best filament for vases?
Can a 3D-printed vase hold water?
What is vase mode?
Is PLA good for vases?
For the materials, read the PLA guide or PETG guide. For similar prints, see best filament for lattice.
Related guides
Related
Sources & methodology
3 citations · reviewed 2026-07-09- 01Prusament PLA Technical Datasheetaccessed 2026-06-29Tier 1
- 02Prusament PETG Technical Datasheetaccessed 2026-07-06Tier 1
- 033DSourced Complete 3D Printer Filament Guideaccessed 2026-06-29Tier 2