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Forum topic by shipwright posted 03-11-2011 03:19 AM 1221 views 3 times favorited 30 replies Add to Favorites Watch
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shipwright

4965 posts in 1451 days


03-11-2011 03:19 AM

Today I spent about 8 hours learning sketch up and drawing up the frame of the chevalet. I’m at about this stage:

I looked up my building hours and found that it took me exactly twice that time to get to the same stage BUILDING the thing. .... And I had the arm in the photo done. It’s not in the sketch up yet.

I’ve never used CAD programs before because I design as I go and I often say that I don’t draw up plans because I don’t have a big enough eraser for all the changes I would be making along the way. That said it is an amazing tool and I will have a great set of plans when (if) I get done. At the current rate that should take about twenty hours.
Did I mention my neck hurts. :-)

Paul

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fiberglass trees. http://prmdesigns.com/


30 replies so far

View SPalm's profile

SPalm

4808 posts in 2535 days


#1 posted 03-11-2011 05:33 AM

Smile.
You really know how to take a challenge. Good for you.

If you were to do it all over again…. Do you think that the size of the bow needs to be that big? It looks like you could hold a very large stack of veneers. What is the sheet size capacity?

Steve

-- -- I'm no rocket surgeon

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shipwright

4965 posts in 1451 days


#2 posted 03-11-2011 05:47 AM

Steve, The saw frame I made is 22” capacity. Remember the background is one of the pieces. If I need more I can make a 30” saw frame and the main arm will reach out far enough to accomodate it. I’ll most likely build a couple more saw frames, one larger and one smaller, but for now this is working great.

Oh yes, and I’ll probably be building another one (chevalet) when I go home….. for my home shop, you know. After all you’ve got two (or is it three) CNC’s :-)

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fiberglass trees. http://prmdesigns.com/

View Dandog's profile

Dandog

249 posts in 1427 days


#3 posted 03-11-2011 06:01 AM

Hey Paul: watch all the videos on sketch up.They really help. There’s a sketch up 8 you probably know about. But it’s a pretty good program for free. When other CAD programs Are like to $275 the start.

-- life an woodworking is one big experiment

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shipwright

4965 posts in 1451 days


#4 posted 03-11-2011 06:07 AM

I downloaded the free one and went through the first few tutorials and then started. It went remarkably well. Whenever I had a problem I just went back to the tutorial. It’s a pretty amazing program.

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fiberglass trees. http://prmdesigns.com/

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Brit

5148 posts in 1495 days


#5 posted 03-11-2011 11:48 AM

Hi Paul,

I’ve been using Sketchup for a few years now and it’s an amazing piece of software considering it’s FOC. The quickest way to learn it, is to spend a few dollars and purchase Bob Lang’s ebook on Sketchup. This ebook has 49 embedded videos where Bob shows you how to do the things that he explains in the text. You will learn all the shortcuts and you’ll sit there saying to yourself “Wow, I never knew you could do that!”

You can get it here: http://craftsmanplans.com/sketchup.htm

-- Andy -- Old Chinese proverb say: If you think something can't be done, don't interrupt man who is doing it.

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Schwieb

1518 posts in 2114 days


#6 posted 03-11-2011 03:03 PM

Ok, I’m going to say it, “If Paul can learn SketchUp, I can learn SketchUp” I downloaded it a week or so ago, but just haven’t wanted to spend the time going through the tutorials. Was hoping I could find someone just to show me…. Ha! I’m Going to take Brit’s lead and order Bob Lang’s ebook. Thank you gentlemen for the boot into the 21st century. I guess I’m a die hard. I took drafting courses in college, many years ago and really liked it. It’s hard to give up those “old ways”.

-- Dr. Ken, Florida - Durch harte arbeit werden Träume wahr.

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Bertha

12951 posts in 1346 days


#7 posted 03-11-2011 03:07 PM

When I came to LJ, I expected to see plywood beds and oak nightstands. Now you guys are building CNCs and Chevalets! I’m out of my league.

-- My dad and I built a 65 chev pick up.I killed trannys in that thing for some reason-Hog

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shipwright

4965 posts in 1451 days


#8 posted 03-11-2011 04:50 PM

Andy, Thanks form the tip. As a charter member of the “never read the instructions, how hard can it be?” set, It will be hard for me to do but I find that I’m mellowing with age and I just might catch myself at a weak moment and order it.

Ken, Well if you can, then so can I. Dinosaur my a**. Who knew we’d ever get to the 21st century anyway?

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fiberglass trees. http://prmdesigns.com/

View BritBoxmaker's profile

BritBoxmaker

4369 posts in 1689 days


#9 posted 03-11-2011 05:03 PM

Paul, I’ve been using CAD in one form or another since 1986, wow thats 25 years. You’ll find, like most things, it gets easier with practice. I now find it invaluable. It saves me a lot of money in materials. After all if it doesn’t look any good modelled in 3D its unlikely to in the real world. Also impossibilities (thats real ones not the sort I attempt) spring out almost automatically. However with your kind of skill level you are probably used to tackling ‘show stoppers’ as and when they arise. I’d give CAD a good try for a while. If you don’t like it, don’t use it. Theres no rules saying you have to.

As for me, like most of the Punk generation, I’m happy reversing into tomorrow.

-- Martyn -- Boxologist, Pattern Juggler and Candyman of the visually challenging. http://www.theartofboxes.com

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rance

4132 posts in 1813 days


#10 posted 03-11-2011 05:33 PM

Paul, yes, it is monumentally easier to have someone there at your side to teach you. But that not being the case, it is also monumentally hard to teach online without some background. First advice is to make EVERY individual piece of wood a Component(not a group). After that, it would be good to know what parts you are having problems with. Give us specifics and we can help you through the rough spots. I outlined some steps for StevInMarin when he was getting started. You might take a look at those posts. We’re here to answer specific questions if you’d like.

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

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KylesWoodworking

280 posts in 1345 days


#11 posted 03-11-2011 05:33 PM

I found a great (and free) sketchup video tutorials here: http://www.srww.com/blog/?p=1335
They are very informative and will have you a master in no time.
-Kyle

-- http://www.kyleswoodworking.com http://www.facebook.com/kyleswoodworking

View shipwright's profile

shipwright

4965 posts in 1451 days


#12 posted 03-11-2011 05:38 PM

Martyn, Over the years, particularly building boats, I’ve developed the habit of mentally building every step of the way in three dimensions and have always spotted the problems way in advance and planned around them. The only times I have had “surprises” were when I was lazy and didn’t think it through first. I guess I have been using a MAD program but the CAD looks eerily similar. Anyway, I’ve decided to give it a try mainly so that I can share my plans with others. I doubt (never say never) that I would use it to plan for myself. I like the software I have. It’s much faster and I don’t have to remember any commands.
Still happy to advance into yesterday.

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fiberglass trees. http://prmdesigns.com/

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shipwright

4965 posts in 1451 days


#13 posted 03-11-2011 06:06 PM

Thanks Rance and Kyle. I’m not actually doing that badly and I will get faster but thanks for the links. This is where I got yesterday having never seen sketch up before:
http://sketchup.google.com/3dwarehouse/details?mid=e6a2d5f4018b315680e2ca2830a8f2a6

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fiberglass trees. http://prmdesigns.com/

View KylesWoodworking's profile

KylesWoodworking

280 posts in 1345 days


#14 posted 03-11-2011 06:12 PM

Looking good, not bad for a beginner. I have been using sketchup for a few years now and learn a new trick everytime I design something.

-- http://www.kyleswoodworking.com http://www.facebook.com/kyleswoodworking

View BritBoxmaker's profile

BritBoxmaker

4369 posts in 1689 days


#15 posted 03-11-2011 08:29 PM

For a total novice that 3D model looks pretty impressive.

-- Martyn -- Boxologist, Pattern Juggler and Candyman of the visually challenging. http://www.theartofboxes.com

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