
Create three types of spiral for crafts, tracing and decorations. Adjust turns, spacing, multiple arms, color, line style and vertical stretch.
Up to 200 turns. More turns create a more tightly packed spiral.
Archimedean and Fermat spirals can start at zero. Logarithmic spirals need an inner diameter greater than zero.
Print at Actual size / 100%. Check that the scale line measures 50 mm (1.97 in).
The preview is scaled to fit your screen. Downloads keep the actual dimensions, with no dimension labels over the template.
Archimedean spirals have equal radial spacing per turn. Logarithmic spirals spread farther apart toward the outside and require a nonzero inner diameter. Fermat spirals become more tightly spaced toward the outside.
Choose up to 200 turns, one to eight evenly spaced arms, clockwise or counterclockwise direction, rotation and vertical stretch. Use solid, dashed or dotted lines and choose a color. Add an outer circle or center cross as a guide.
Yes. Select the Archimedean spiral and choose sizing by spacing. Spacing is measured radially before vertical stretch is applied, and is entered in millimeters.
The diameter describes the circular reference before vertical stretch. An open spiral may not touch every edge of that circle. The outer circle guide makes the reference visible.
US Letter, US Legal, A4 and A3 are available. Oversized templates are split across sheets without shrinking. ROW and COL identify tile positions; COPY identifies the set. Trim at the printed border and align the 5 mm overlap marks. PDF includes all pages; SVG saves the current preview page. The limit is 100 pages and 100 sets.
Dimensions are measured at line centers. Curves are approximated with fine line segments. Solid lines are cutting lines and dashed lines are folds, except when you choose a dashed spiral style. Small glue tabs may be limited automatically. Allow for paper thickness, glue and printer accuracy when assembling.
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