Author Topic: Request for Assistance on a Big Project  (Read 1346 times)

nottingham82

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Re: Request for Assistance on a Big Project
« Reply #30 on: September 12, 2018, 08:32:45 AM »
ZAX!!! now you tell me.  There are several files on that site that I have spent forever recreating!!  Always holding out on me. lol I better bookmark that page. 
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nottingham82

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Re: Request for Assistance on a Big Project
« Reply #31 on: September 12, 2018, 08:34:54 AM »
also the eps files on that site can be edited with gravit.  it is a web based graffic editor that lets you export to svg and all sorts of thing and is free.  https://www.designer.io/
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ThothLoki

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Re: Request for Assistance on a Big Project
« Reply #32 on: September 12, 2018, 08:40:55 AM »
RIGHT nottingham??? he has been holding out on us!
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wveagle81

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Re: Request for Assistance on a Big Project
« Reply #33 on: September 12, 2018, 09:00:38 AM »
Thanks for the updated files @nottingham82.  I think I have clarified images for
the four major logos on the plaque which I can paste in to replace the existing
ones.

So I clarified all of the smaller ones last night but I'll look at the ones you attached
to make sure I have the best possible images.

I'm hoping I can do a full test burn this weekend.  The auction where these plaques
will go is at the end of October, so I have a little time to get everything perfect.
« Last Edit: September 12, 2018, 09:01:14 AM by wveagle81 »
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Zax

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Re: Request for Assistance on a Big Project
« Reply #34 on: September 12, 2018, 10:25:56 AM »
I can't give away all my secrets  ;D

wveagle81

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Re: Request for Assistance on a Big Project
« Reply #35 on: September 13, 2018, 04:42:34 AM »
Good morning.

So last night I updated my SVG file and burned another test on cardboard to see what
it all looks like.  I uploaded the pictures to the web location below.  I kept the files
big so you can see the details.

There are a couple of issues still, but overall I'm pretty happy with the results.

Some questions.  I changed the stroke width of the text at the top and the larger logos
to "1" from "0.485" but the engraving still seems to be very thin.  Most of the small
logos look pretty good.

I noticed a couple of the logos still have several issues, and I had forgotten to copy
in the proper OpValor logo at the top (oops) which I have corrected.  However, I've
been unable to get the two more complex logos to really look good (Operation
Red Wings and Fallen Heroes Memorial Run).  If one of you could take some time
to clean them up for me, I'd really appreciate it and owe you a beer or something.

Also, I've included the engraving I am planning on putting on the back of the
plaques.  It's mainly just text and I think it looks ok, but please look it over
and let me know if there's anything I need to do to it.

Thanks again for all of your help.
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Zax

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Re: Request for Assistance on a Big Project
« Reply #36 on: September 13, 2018, 04:53:15 AM »
Stroke width has no effect on the path, the laser follows the path so the laser focus is what determines stroke width.

To get thicker lines you can add an inline or outline, essentially a duplicate with a small offset (say 0.05) then the laser will follow that path as well resulting in a thicker line - of course this adds time.


nottingham82

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Re: Request for Assistance on a Big Project
« Reply #37 on: September 13, 2018, 07:38:41 AM »
Good morning.

So last night I updated my SVG file and burned another test on cardboard to see what
it all looks like.  I uploaded the pictures to the web location below.  I kept the files
big so you can see the details.

There are a couple of issues still, but overall I'm pretty happy with the results.

Some questions.  I changed the stroke width of the text at the top and the larger logos
to "1" from "0.485" but the engraving still seems to be very thin.  Most of the small
logos look pretty good.

I noticed a couple of the logos still have several issues, and I had forgotten to copy
in the proper OpValor logo at the top (oops) which I have corrected.  However, I've
been unable to get the two more complex logos to really look good (Operation
Red Wings and Fallen Heroes Memorial Run).  If one of you could take some time
to clean them up for me, I'd really appreciate it and owe you a beer or something.

Also, I've included the engraving I am planning on putting on the back of the
plaques.  It's mainly just text and I think it looks ok, but please look it over
and let me know if there's anything I need to do to it.

Thanks again for all of your help.
The only way Stoke width will affect your engraving is if you export as a png. Otherwise it's like zax says, it just follows the path. I usually set my stroke a little thicker than .1 mm because it's hard to see. But I put it back to .1 to see what it will ultimately look like.

If you did decide to export as png you can turn fill on and make some of the items solid. This won't affect a dxf though and will add hours onto your engraving time.

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Laser: 2500mw A5 eleks maker
OS: Windows 10 all in one pc
Software: T2
http://www.gearbest.com/3d-printers-3d-printer-kits/pp_290386.html Paid $160 in 2016

wveagle81

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Re: Request for Assistance on a Big Project
« Reply #38 on: September 13, 2018, 01:54:53 PM »

So @Zax suggested previously I look at hatch fill for parts of my images.  Using my
extremely basic knowledge, I added a hatch fill to some text, and it was a pinkish
color with different shades.  Is that what it's supposed to look like?  What will it
look like when it's engraved?
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Zax

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Re: Request for Assistance on a Big Project
« Reply #39 on: September 13, 2018, 05:50:06 PM »
No, it should be vector lines - color depends on your settings but usually black (which is full power in T2Laser).

ggallant571

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Re: Request for Assistance on a Big Project
« Reply #40 on: September 13, 2018, 11:47:31 PM »
Attached is my stab at the operation valor emblem. Currently etching on scrap wood so I don't know how it will look. I sized it to fit the 100x100 mm (4 inch) slate or mirrors. The are a number of quite fat lines that probably will not etch well in slate. If anyone does use it and does some improvements, please post your work.

Image is 254 dpi.
« Last Edit: September 13, 2018, 11:48:37 PM by ggallant571 »
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ggallant571

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Re: Request for Assistance on a Big Project
« Reply #41 on: September 14, 2018, 09:10:28 AM »
Image is not ready for burning in wood. The heavy lines are too much. Etched on 2.5W at 1000mm/min full power. Changing the intensity of the heavy lines would probably work ok for wood but not for slate.
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wveagle81

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Re: Request for Assistance on a Big Project
« Reply #42 on: September 14, 2018, 07:08:31 PM »

@ggallant571 - I took the excellent image you provided and did a bitmap trace and turned it
into a basic DXF file and burned it on a piece of craft plywood.  It turned out pretty good,
although I wasn't that happy with the lettering.

Then I went ahead and burned the straight JPG file into another piece of craft plywood.  It
looks ok but not great.

I had the laser set to 150 power and 1000/mm speed.

You can see the tests here:
http://www.spotteddragon.com/files/

The files are the ones labeled 20180914xxxxx.  I think I'll look at using this image on a
slate coaster if you think it'll engrave well.  I'll have to go to Michaels tomorrow and pick
up a couple of packs.

Sill working on cleaning up the other files.  I have one more to do, then I think I'll be
ready for a full test engrave.

Thanks!
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ggallant571

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Re: Request for Assistance on a Big Project
« Reply #43 on: September 14, 2018, 09:39:13 PM »
Attached is a somewhat cleaner file. Made some of the wide lines thinner and some of the very thin lines wider. Etched with 2.5W laser at 1200mm/min and full power. Attached picture.

When etching slate I use a sealer. Improves the contrast. Makes the unetched surface darker. Takes a couple of days to fully dry. I also wash and scrub the slate prior to sealing. Takes time but the results reflect the effort.
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wveagle81

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Re: Request for Assistance on a Big Project
« Reply #44 on: September 15, 2018, 07:50:04 PM »
Ok, I think I'm just about ready to do an actual burn on real wood.  However, I have
a couple of things which are bugging me.

In two of the logos, by engraver doesn't seem to know how to do concentric circles.
It's not a huge deal, but it doesn't look right.  See the first two images.

On another, even though the lettering looks perfect in the DXF file, including when
it's imported into T2, when it's burned, it comes out jagged.  See the third image.
It doesn't happen on all of the lettering, though, which is puzzling.

I've also uploaded the final SVG and DXF files to the web location below.

http://www.spotteddragon.com/files/
Any ideas?
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