Darryl Keil Last Activity 2026-01-12 8:29 AM
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Charlie de la Rosa

 
Subject : Cross grain seam
Posted : 2003-10-24 10:52 AM
Post #31046

I made a piece of marquetry for a cabinet door and in order to fit my scroll saw I had to cut the backgroung piece in half across it's width. When I reassembled the piece I thought I had done a decent job of jointing the edges (router with laminate trim bit) and taping it up, but the final finished piece (lacquer) has a tiny, but very noticeable glue line across it's width. It also has a hariline gap over 2 or 3 inches. The background veneer is anegre and I used yellow glue to attach it to MDF. I used white 3-hole tape to tape the seam. The piece is also split down the middle attaching 2 bookmatched pieces. This long grain seam is virtually invisible. Is there anyway I can improve my accuracy and eliminate the glue line on crossgrain seams, AND what can I do about the current project to cover up the line that's already there. It's already been finished with 2 coats of lacquer.

Thanks,
Charlie de la Rosa


 
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Darryl Keil

Posts: 1456

Joined: 2003-05-22
Location: Maine

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Subject : RE: Cross grain seam
Posted : 2003-10-26 4:57 PM
Post #31050 - In reply to #31046

Charlie,

I have read your message 3 or 4 times and cannot visualize what you are explaining. I may just may be thick, but could you explain it in a different way, or can someone else clarify the question.

Sincerely
Darryl Keil


 
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Charlie de la Rosa

Posts: 2

Joined: 2003-10-24
Location: Rowlett, Texas

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Subject : RE: Cross grain seam
Posted : 2003-10-27 4:29 PM
Post #31051 - In reply to #31050

I submitted an earlier reply, but I don't think it went through, so here it is again.

I have made a piece of marquetry measuring 15 x 30. The background veneer is anegre which measures about 12 x 27 and is bordered with strips of other veneers. The anegre sheet is comprised of 2 book-matched pieces seamed together along the grain which made for a sheet of about 14 x 28. However, in order to cut the marquetry on this sheet using a 20" scroll saw, I had to cut the background veneer roughly in half across the grain which made for 2 sheets each roughly about 14 x 14. The marquetry design was only on the bottom portion. Once I completed the marquetry design, I rejointed the edges with a router and flush trim bit, and retaped the 2 pieces using 3-hole white veneer tape. I added the border and then pressed the entire sheet on MDF. Everything went fine, except that since the anegre is a relatively light wood, the cross grain seam is noticeably visible as a hairline. Although it is a relatively tight and straight joint, I had hoped to make the seam disappear entirely so as not to distract from the marquetry. My question is, for FUTURE projects is there a trick to make the cross grain seam completely invisible or is a hairline the best I can hope for? My second question was, what can I do for the current piece I described above to make the seam disappear now that I've already pressed it and begun finishing it with lacquer. I had considered using pigments mixed with lacquer or shellac to cover over the line or at least to lighten it. I am interested in any advice or insight into this or other similar procedure.


 
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Darryl Keil

Posts: 1456

Joined: 2003-05-22
Location: Maine

User Profile
 
Subject : RE: Cross grain seam
Posted : 2003-10-28 6:18 PM
Post #31056 - In reply to #31051

Charlie,

Cross grain seams are next to impossible to make invisible. You will always get a visual hairline.

As far as your current project, if there is an open gap I would find something to fill it with that matches, color wise. If its too small for that I would fill it with the finish, sand it down, wait a few days and then proceed with finishing.

Sincerely
Darryl Keil


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