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Cutting model bases.

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Forum topic by PRMILES posted 02-01-2016 01:51 PM 369 views 0 times favorited 7 replies Add to Favorites Watch
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PRMILES

3 posts in 306 days


02-01-2016 01:51 PM

Greetings to all. Total amateur make for fun wood worker here. Dabbled in a little low key furniture making, home projects and so on. What I find myself doing mostly now is model base cutting. I run 2 model clubs as in in plastic kits,i.e. cars, planes, armor and so on. My question to you Wood Wonder Lords is.. What should be my power tool of choice for oval. Most of my bases are ovals in the 12×6 inch size. I have the table saw for squares and rectangles. My last oval, I used a jig saw. The sides were not straight as the blade slightly bent during cutting. Plus it was a little tedious. Should I… A) Man up and just slow down with the jig saw? B) Get a scroll saw? C) Would a small band saw do the job? Any constructive advise is welcome and much appreciated.


7 replies so far

View WoodNSawdust's profile

WoodNSawdust

1417 posts in 636 days


#1 posted 02-01-2016 02:02 PM

I use a router (2+ HP), a oval jig, and a choice of router bits that give me the profile that I want. I will route the oval slightly larger ( about 1/16 of an inch) using a straight bit and then switch to a profile bit. The last time around the oval should be removing about a 1/32 of an inch to get a smooth result.

You can make your own jig or search the Internet. The one I link to is only an example.

OR if you only will be doing a couple of sizes then create a pattern with straight sides however you want, double side (carpet) tape the pattern to your wood, and then use a pattern bit in the router to follow the pattern. Be careful that the router does not tip or you will gouge the wood.

-- "I love it when a plan comes together" John "Hannibal" Smith

View Redoak49's profile

Redoak49

1937 posts in 1448 days


#2 posted 02-01-2016 02:27 PM

The jig mentioned would work great. It allows a lot of flexibility on size. You could also make a router template out of mdf especially if they are all the same size.

I would like to know how you put the map on. It looks like you made a color print and then attached it. What type printer, paper and how attached.

View HokieKen's profile

HokieKen

1735 posts in 598 days


#3 posted 02-01-2016 08:18 PM

Jigsaw will never get you exactly what you want. The blade will always flex somewhat in wood with any thickness. It’s just the nature of the beast. IMHO, a bandsaw would be the simplest solution. You’ll still need to cut wide and sand to the line to get a good smooth finish though. Best solution would be rough cut with a bandsaw then finish it with a template and pattern bit in the router.

The jig above is another excellent solution and there are probably 100 other possibilities out there.

-- Kenny, SW VA, Go Hokies!!!

View PRMILES's profile

PRMILES

3 posts in 306 days


#4 posted 02-10-2016 07:15 PM



The jig mentioned would work great. It allows a lot of flexibility on size. You could also make a router template out of mdf especially if they are all the same size.

I would like to know how you put the map on. It looks like you made a color print and then attached it. What type printer, paper and how attached.

- Redoak49


Sorry it took so long.I used Krylon Acrylic Clear Coat on the wood base first. I sprayed it every 90 minutes for 12 hours. I Googled the map I needed, in this case, The Battle of Passerine Pass. I saved it to my IPhoto account so I could edit it as I wish. I used a Canon MX922 printer and just regular 22 weight 94 printer paper. Really inexpensive. I then put 4 coats of clear after printing. Placed the base on the printers platen glass to print a template for it. Cut to shape. Then placed template on back of map and moved to what area I wanted to use. Traced and cut. I then sprayed 2-3 coats of Tamiya flat white synthetic lacquer primer on the back of it to make it opaque. I thinned Elmers Glue All with 25% distilled water and laid it down then smoothed it flat. Noticed that light was rejecting too much from map. Taped off the exposed wood of the base and shot some Rust Oleum Matt finish to dull it up.

View clin's profile

clin

510 posts in 456 days


#5 posted 02-10-2016 10:44 PM

Just another vote for rough cutting, then using an oval jig and router with straight bit. Then router with profile bit of choice.

-- Clin

View tomsteve's profile

tomsteve

393 posts in 679 days


#6 posted 02-10-2016 11:14 PM

you could also buy the ovals already cut. then youd only have to route yer profile and finish.

View PRMILES's profile

PRMILES

3 posts in 306 days


#7 posted 02-11-2016 01:23 AM

I don’t like useing pine for my bases. This one is cut from birch.

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