Observed arrival · 2026-11-03
Plungeline puts knife patterns at true scale
A browser-based drawing tool for knifemakers to design blades, springs, and handles, check folding-knife movement, and export shop-ready files.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Knifemakers designing blades and folding knives
- Worth noticing
- Exports include layered DXF files and STL parts, alongside a PDF parts sheet with a box to check that it printed at the right size.
Field notes
A photo, scan, or PDF can be calibrated using one known dimension; Auto trace is described as preserving sharp corners while fitting curves, and Magnetic trace lets users pick edge points. The editor also offers a Features palette for jimping and reusable custom shapes such as clips, nail nicks, or maker’s marks. The page says signed-in users can access saved shapes across devices.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
⊠LoginAccess appeared gated
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue