Holtzapffel M Series

M18-42 Rosette

The M18-42 rosette is a series of 4 lobes:

The series of 4 lobes is wrapped around a circle.

Aspect Value Comments
Pattern (as shown above)
Pattern Repeated 6 times Pattern at the target Diameter
Target Diameter
for Rosette Design 		2”
  • A smaller diameter on the object results in surfaces which have sharper curves at the apexes.

  • A larger diameter on the object reverses this.

  • An amplitude adjuster can be used to modify these effects.
Phasing Holes 1/14 lobe
Works For End Cutting ☑ Near side cutting
☑ Far side cutting, or using rear rubber column
Side Cutting ☑ Near side cutting
☑ Far side cutting, or using rear rubber column
Complementary Rosettes

Consider pairing this rosette with one (or more) of these.

Examples

Click on any of the images below to see a bigger version.

  • The cuts in the top center show how points on the shape have become more pointy.

  • The cuts around the outside show how the shapes are reversing this, becoming convex.

Image courtesy Jon Magill

This is not an M18 rosette, but the M12 Paper Chuck image from Holtzapffel's Patterns of Rosettes does show the general idea.

This picture shows the design as cut from the near side.

Image courtesy John Moe.

This picture shows the design as cut from the far side.

Image courtesy John Moe.

About us Questions or comments? Contact us at
ColvinTools@Gmail.com 		Disclaimers