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How would you make this? Curved side profile meets rounded-over front panel.

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Forum topic by Dagobah posted 08-03-2017 09:28 PM 896 views 0 times favorited 4 replies Add to Favorites Watch
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Dagobah

70 posts in 502 days


08-03-2017 09:28 PM

I’m looking to build something similar to this (a synthesizer case) for a buddy of mine. But I’m wondering how to match the curve of the side profile to the round-over on the top of the front panel?

Here’s another picture of a similar case:


4 replies so far

View Loren's profile

Loren

9633 posts in 3487 days


#1 posted 08-03-2017 10:01 PM

Put the case together and route all
the roundovers at once. You can
affix a piece of scrap to each end with
the same shape using double-sided
carpet tape to prevent the round-over
bit from turning the corner. The scrap
will prevent tear-out of the end grain
as well.

The cut could also be approached with
rasps, files and sandpaper.

View bbasiaga's profile

bbasiaga

1011 posts in 1834 days


#2 posted 08-03-2017 10:41 PM

A roundover won’t quite do the side profile the way you want it, I don’t think. For some reason I’m having a hard time visualizing it right now. I have seen other projects where curves like this were matched by (for this case) establishing the roundover on the font, gluing the square sides in place, and paring off the side with a chisel to match.

Brian

-- Part of engineering is to know when to put your calculator down and pick up your tools.

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Nubsnstubs

1207 posts in 1569 days


#3 posted 08-03-2017 11:43 PM

It looks like you are going to need a large round over bit and a bottom bearing flush trim bit with 1” cutting edge. Route the front and back panels. Dry fit the project and mark each end panel to show where to rough cut each end panel. Cut them to shape leaving your pencil line. Assemble the 4 pieces. Put a strip of 1/2” x 1” wood blocks at least 2” long at each corner on each end panel using double sided tape. Standing the project on end, use the flush trim bit to clean up the ends. Sand and finish the project….. Piece of cake. .............. Jerry (in Tucson)

-- Jerry (in Tucson) www.woodturnerstools.com

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Dagobah

70 posts in 502 days


#4 posted 08-04-2017 02:48 PM



It looks like you are going to need a large round over bit and a bottom bearing flush trim bit with 1” cutting edge. Route the front and back panels. Dry fit the project and mark each end panel to show where to rough cut each end panel. Cut them to shape leaving your pencil line. Assemble the 4 pieces. Put a strip of 1/2” x 1” wood blocks at least 2” long at each corner on each end panel using double sided tape. Standing the project on end, use the flush trim bit to clean up the ends. Sand and finish the project….. Piece of cake. .............. Jerry (in Tucson)

- Nubsnstubs

Ok, thanks. I haven’t used a round-over bit before, but that makes sense for the front/back panel. I’m still a little confused on the second step. What would I be referencing off of with the bottom bearing?

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