Creating designs from elements

(William Adams (Carbide 3D)) #1

If one has a design idea one wants to make, usually it can be shown / mocked up as a pixel image, and put together using some basic elements.

For example:

image2

All one should need for that is a portion of a U.S. flag, and the Marine Corps seal — fortunately, both are easily sourced on Wikimedia Commons:

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(William Adams (Carbide 3D)) #2

Next, one decides upon the size and material, in this case:

Material is 14 3/16 x 10 9/16 x 3/4 pine wood

Enter that into Carbide Create:

Place the image on the background and adjust its placement / scaling as needed:

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(William Adams (Carbide 3D)) #3

Then open or import the files — the Marine Corps seal seems to import fine, but the U.S. Flag has issues and is incompleat, so needs to be opened in Inkscape or some other vector editor and flattened out / fixed.

Once one imports the flag file, delete what is not needed, select what is and scale it appropriately:

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(William Adams (Carbide 3D)) #4

Since Carbide Create doesn’t do asymmetric scaling, and one can’t define an accurate 1/16" grid, one will need to delete the background rectangle and redraw an approximation of the area needed:

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(William Adams (Carbide 3D)) #5

Next use “Import External File” to add the balance of the required graphics:

and drag to an area where they don’t overlap the balance of things:

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(William Adams (Carbide 3D)) #6

If need be, plug in a mouse so as to have a scroll wheel which will allow one to zoom in — do so and delete any unnecessary elements:

Adjust scaling, position and placement until things line up as desired:

Select and delete the stars which are mostly obscured:

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(William Adams (Carbide 3D)) #7

Turn off snap to grid and draw a circle to measure how much the outline should be extended to erase portions of the stars:

(roughly a quarter of an inch)

Delete the circle, select the outline and use “Offset Path” do so once for each star which must be adjusted:

0.25 inches to the outside of the path:

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(William Adams (Carbide 3D)) #8

Zoom in and select a star which must be edited and the outline by clicking or dragging to select the former, the control-clicking on the latter (it is important that the star have a solid orange line indicating selection, while the outline should have a dashed appearance indicating it is the key object on top):

and choose Boolean | Boolean Subtraction:

Repeat that for each star which needs to be edited.

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(William Adams (Carbide 3D)) #9

Select each star in turn and assign a V Carve toolpath — I would suggest a 90 degree endmill to limit how deeply they are cut.

Then select the seal and assign a V Carve toolpath (having grouped this above would likely make this easier) — a 60 degree endmill should preserve the detail better.

which previews well:

but shows one oddity — the stripes on the globe being carved rather than the surrounding area — this is usually caused by a reversed or overlapping path, in this case, the undeleted star.

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Vee Carve question
(William Adams (Carbide 3D)) #10

File is attached here:

flag_and_MC_globe_and_eagle_and_anchor.zip (899.9 KB)

Adjusting the toolpaths and setting feeds and speeds and actually cutting it out is left as an exercise for the reader.

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(William Adams (Carbide 3D)) #11

Further reading, or notes for comparison:

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(William Adams (Carbide 3D)) #12

Fixed flag:

Flag_of_the_United_States

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(William Adams (Carbide 3D)) #13

stars on blue field:

stars on blue field.c2d (224.4 KB)

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(William Adams (Carbide 3D)) #14

US 1st Marine Division insignia on stars:

US_1st_Marine_Division_on_stars.c2d (480.3 KB)

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(Ronald Shayne McGinty) #15

Newbie here so go easy on me please! lol. I’ve downloaded and ran the above program with the current material dimensions listed for the tutorial (14 3/16 x 10 9/16). How do I duplicate the same thing on a piece of material measuring 19 x 14? Struggling with scaling. Thanks in advance for your help!

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(William Adams (Carbide 3D)) #16

First set the Stock size to 19 x 14, then select everything then choose the scale tool:

Set things to 19 inches wide, then center it on the stock area and trim half of 0.235 or so from each side.

You may need to inset the paths if the features get too large to cut with your V endmill.

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(Leslie Tompkins) #17

It allows me to download but I cant open this file even in inkscape keeps saying unable…it opens your (.c2d) files fine bit not that zip any suggestions?

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(William Adams (Carbide 3D)) #18

Do you mean the flag? Try this zipped copy:

Flag_of_the_United_States.zip (1.5 KB)

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(William Adams (Carbide 3D)) #19

For the Air Force version of this:

Open the file stars on a blue field.c2d (above) and then import the logo and drag it off the pasteboard:

delete the text, size and group things appropriately and position as desired and delete all obscured stars:

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(William Adams (Carbide 3D)) #20

Since the design has rather wide areas, select it and inset it twice by 0.125 inches:

In the Toolpath pane, select all but the second set of inset paths and the geometry which defines the field:

and assign a V carve using a #302 endmill:

Then select the second set of toolpaths and assign a pocket to 0.25" deep:

(a #201 may be used instead)

Adjust feeds and speeds as necessary and it will preview as:

Attached. Union with Air Force logo.c2d (320.8 KB)

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