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Need to figure out how to get a font (or other shape) to CNC properly inside and out to fit into itself, i.e. method to know that shape has no radius smaller than the bit.
{{Project
 
|shortDescription=Font with minimum size for routing with a rotary bit.
* testing Hershey Text - http://www.evilmadscientist.com/2011/hershey-text-an-inkscape-extension-for-engraving-fonts/
|longDescription=I needed a font for projects like [[Integrity Joint]] that would allow routing both the letters and the surroundings in the smallest size possible for a given cutter. The limit is that the cutter has to fit both the insides (black part) of the letters, but also the outsides and islands of the letters. I could not find a font that is optimized for this, so I created a set of vector letters. You can download them at [[Media:CNC_alphabet.svg]] and use them, but please link back here if applicable.
** that provides nice single line engraving text, to a point solves the font's radius problem, but not the outside one...  
|geekery=The size of the letters is limited by having to fit the bit into each line and each island. So, a letter like "B" is the worst case scenario: it has three horizontal lines and two islands, so must be at least 5x the bit size and a tiny bit more. I started by creating the worst case letters and then added the others to look similar.
 
|skillSet=Graphic Design
* make hersheyfont
|projectType=Personal Project
* make line thicknes = bit * 2.1 (2 to be exact, add .1 to have some space)
|northForge=Yes
* use rounded joins and caps
}}
* stroke to path
* new path strokestyle, round join and cap, width of bit
* fix distances of letters
* redo stroke to path
 
 
== dead ends ==
* downloaded CamBam to see if it can do such things
 
==File Location==
 
 
[[Category:In-process projects]]
[[Category:InkScape]]
[[Category:ShopBot]]

Latest revision as of 20:21, 2022 November 3

Projects
Project: Font for inside and outside CNCing (I)
Description: Font with minimum size for routing with a rotary bit.
Skillset(s) :

Graphic Design

Project Type(s) :

Personal Project

I needed a font for projects like Integrity Joint that would allow routing both the letters and the surroundings in the smallest size possible for a given cutter. The limit is that the cutter has to fit both the insides (black part) of the letters, but also the outsides and islands of the letters. I could not find a font that is optimized for this, so I created a set of vector letters. You can download them at Media:CNC_alphabet.svg and use them, but please link back here if applicable.

How we did it

The size of the letters is limited by having to fit the bit into each line and each island. So, a letter like "B" is the worst case scenario: it has three horizontal lines and two islands, so must be at least 5x the bit size and a tiny bit more. I started by creating the worst case letters and then added the others to look similar.


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