◆ Print only
A printed cap that marks TREE MAGNET on a golf ball, for the ball that finds every tree on the course.
For the ball that finds every tree on the course without being asked, and the golfer who hears the clunk before anyone else does. Two lines, TREE over MAGNET, at the largest Size the tool offers so the longer bottom word still marks clearly; the R and the A keep their middles with thin stencil bridges.
Made with our free golf ball stencil generator, not modelled by hand: we typed TREE / MAGNET into its Initials field on two lines, chose the Bold & Blocky font and set Size to 32 mm. Everything else is the tool's default, and the STL in the zip is exactly what the tool gives you: a 71 by 48 mm cap for a standard 42.67 mm ball, with a 2.4 mm wall, 0.5 mm of clearance, a skirt that reaches 12 degrees past the middle of the ball so it cups it, and two tabs with 7 mm holes for a rubber band. Like every free download from the tool, it carries a small raised MESHCAST mark on its underside, along one tab.
Seat it on the ball, draw through the openings with a fine permanent marker, lift it off, and the joke is on the ball in under a minute. It makes a cheap, quick gift for a golfer: print the cap, mark a sleeve of balls, hand over both.
Shown as a 3D render of the printed stencil on a golf ball and a second ball with the words drawn through it, not a photo.

Print the file as exported: rim flat on the bed, dome up, with tree supports on (organic in PrusaSlicer).
Peel the supports out of the inside of the dome.
Wipe the ball clean so the ink bites, then seat the cap on top and press the rim down until it cups the ball.
Draw through each opening with short strokes from the edges inwards.
Lift the cap straight up and leave the ink for a minute before you touch it.
Print details
| Type | Print only |
|---|---|
| Printed parts | 1 |
| Size (W x D x H) | 71 x 48 x 29 mm |
| Print bed needed | 71 x 49 mm, 30 mm tall |
| Filament | ~15 g |
| Layer height | 0.2 mm |
| Infill | 15% |
| Supports | Yes |
| Download | ZIP: stencil cap (STL) + README with print settings |
| Added | 2026-09-25 |
Made with the free Golf ball stencil generator. Upload your own drawing and get the same kind of part built from it, in your browser.
Free download. Opens the Thingiverse listing in a new tab.
Free for personal use. Selling the printed piece itself needs a commercial licence (Pro or Founder); passing on the file is not permitted on any plan. Full terms.
New to this? Read the golf ball stencil guide.
Because MAGNET is six letters, the longest line in the set, and the tool fits the longest line to the Size slider. At 32 mm, the largest Size the tool offers, the letters come out about 5.5 mm tall: small, so use a fine-tip marker, but the openings are wide enough to fill and the mark stays inside the part of the ball the cap reaches.
Print it as exported, rim flat on the bed and the dome up, with tree supports switched on (organic in PrusaSlicer, tree in Bambu Studio, Orca and Cura). They hold up the inside of the dome and peel out easily. Sliced in PrusaSlicer 2.7.2 at 0.2 mm layers it takes about 1 h 21 min and 15 g of PLA.
Yes. Open the free golf ball stencil generator, choose Initials and type your own words, up to two lines of six characters, and pick the Bold & Blocky font to match this one. The Ball size, Clearance and Size sliders fit a different ball or change the mark; this one uses a Size of 32 mm.
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