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About rshousha

  • Birthday 05/21/1959

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  • Location
    Montreal, Canada
  • Interests
    3D CAD drawings, helping people choose the right model and tools.

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  1. Hello Gunther, Do you still have the instructions for this canoe? I built one a couple of years ago and would like to build another but I think I put the plans in the recycling at some point.
  2. Hi Gaetan, I use Solidworks professionally and enjoy building models in 3D as a hobby. I find it most interesting to see how the parts fit, I don't need glue or paint, and I can zoom in to areas as much as I like. I can also build models wherever I am, from my office in Montreal, to the resort in St-Lucia. I've attached a picture of my latest project, a 1:6 scale version of a western stagecoach. Of course, I have done many ships but you seemed to be interested in the textures and colors that you can get. In this model, you can turn the wheels, apply the brakes, change direction, and even see the functioning of the support mechanism for the passenger compartment, which is still "under construction". Of course, there is a drawing made for each part, if someone ever wanted to make this in the future. Even the spokes are all separate pieces. Best Regards, Rick
  3. Here's another point I just remembered as I'm working on my latest model. When you extrude your bulkheads you need to anticipate the faring process. In other words, the frames towards the bow will be sanded down in one direction while the frames towards the stern will be sanded down in the opposite direction. There are only a few frames in the middle which will be sanded down evenly. So, in order for the lines to remain true, you need to extrude the forward frames towards the bow and the rear frames towards the stern. Then, you simply fare in the direction of the planking but just up to the edge of the bulkhead. If you just leave that outer edge (the stern edge of the frames in the bow section and the forward edges of the frames in the rear section) you will be right at the lines you traced. If you extrude all the frames mid-plane, then your boat will be too small in the bow and the stern (unless, of course, you leave gaps and only fare half the bulkhead). OK, now who actually was able to follow that? Cheers, Rick
  4. Greetings, With any good 2D or 3D software there are offset features to move a line one way or another. So, with a couple of clicks you can move the spline the exact thickness of your planking. Generally, I decide how many layers of planking will be used and I estimate 30% of each layer will be sanded off when faring a model. This gives me my offset dimension. Actually, very few of the models I make are for museums. Most are for racing sailboats and the dimensions need to be quite accurate to conform with class rules. Generally, also, the lines for these models are quite spartan and one has to be creative to get a nice shape. With about 45 years of experience racing sailboats I have a good eye for what will be fast. It's all good fun! Regards, Rick
  5. Hello Moxis, I think there is another way to look at this problem, which expands on the post above, that will be much easier for you and more accurate. From your .pdf scan, you can take PRT SC of the various views you have and simply insert these in your favorite 2D or 3D program. You can then set the dimensions you want for the part and use the spline features to simply trace out the lines. This will give you much better accuracy than any scanning of the lines themselves. You do not count on the dubious algorithms of the scanning programs; you make your own decisions. Also, remember the originals are based on the outside lines of a ship and don't compensate for an offset that you will need since you are making the bulkheads and then planking over those. You really need to plan for that or your end product will be bigger than the scale you are considering. Plus, you will need to design a keel into the structure. The lines you have end in the original keel width. One way or another you need to cut a new keel into the bulkheads while keeping in mind the offset for the planking as well as the thickness of the wood you will use. Having done close to a hundred of these projects, I can tell you it's easier to forget about scanning technology and just go for it on your own. FANCY IMPROVEMENT: If you want to go crazy with these projects, you can start with 3D software and use surfacing techniques to increase the number of bulkheads. You simply make up the few bulkheads that are included in your lines and then simply loft a surface between the bulkheads. From there you can easily cut the surface and create intermediate bulkheads. For the sake of keeping things square, you can create waterline parts that run all the way along your ship, setting absolutely everything square. This helps a lot if you are making a really big model. Have fun! Rick
  6. Ahh, OK, I see. Indeed, there are two versions of the Spline tool in Solidworks (your spelling is excellent, by the way) for 2D drawing, and one of them probably has the algorithm you noted above. However, I would just not worry about that. Since I am an older fellow, I do remember some interesting algorithms from my days in Electrical Engineering in the '80s, when Computer Engineering was the new kid on the block. Yes, I actually do know how Google finds things. I would say forget about all that. Just use whatever feature kind-of works and practice, practice, practice, until you beat it into submission. The power of current computers is so far above anything we actually see that thinking about how it is working will just slow you down. You should look at learning one of the CAD programs more like playing a musical instrument than learning a computer program. As with music, expect it to take 10,000 hours of conscious practice to learn. And I say this as an EE who spent years really tinkering with algorithms and programming. They are quite useless to me now. Now, I need to create content; get that creativity out from where it's been stifled for the last forty years. Regards, Rick
  7. Hi, OK, as a professional user of Solidworks, and a daily user of splines, with all their features, what is a Bezier?
  8. Greetings. To those who have been waiting breathlessly for me to get back to working on this model, I wanted to let you know that I have a new pair of glasses on the way. Perhaps I will be able to see the thing. In the meantime, I am currently working on a 1/10 scale stagecoach kit from Amati. Since it has nothing to do with ships, I won't be posting it here but it sure is a nice kit. Cheers, Rick
  9. As a daily user of Solidworks, I would like to encourage you to go back and give the splines a second chance. It takes a while to figure out how they work but, once you get a handle on them, you will be much happier than using arcs. Rick
  10. Ha. Well, you did mention "plastic airplanes" in your post. I thought you had actually gone that far. I'm sure I'll be back at my Pickle eventually but it is kind of nice to see things advance easily. Also, I really think my eyes are getting worse. The large scales are fun to deal with and my hands tell me that the larger surfaces are clean and smooth. R
  11. Hi Spyglass, Have patience. On the other, my Pickle has not moved in a couple of years and I did, indeed, switch to "non-thinking" models for a while. I built a wonderful four-stroke engine, easily replacing plastic bits with steel. It was great fun and not frustrating in the least. I am now working on a 1/4 scale motorcycle kit. Again, there is little thinking and it's moving along slowly but surely. Don't throw out Pickle just yet but do take a break with a couple of $25 models. And get better. Best Regards, Rick
  12. Hi Don, It's nice to see this build moving along. Sorry I've been away from "real" modelling for a while now. I'm heavily into 3D building these days, specifically designing some parts for a "major manufacturer" for a new kit they're building. With my eyesight not very good, I have a great time with 3D building as I can zoom in as much as I like. I'll be continuing to follow this build as you move along. ...and, yes, I will eventually get through the Pickle model... Cheers, Rick

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