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Everything posted by Chuck
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The stop cut is very important in relief carving. It is a two stroke cut that is used to create depth and relief. If you look at the crown design you can see the cross piece of the letters. I have indicated a stop cut on each side of the cross piece in red. To replicate this in my crude playdoh demo.....I have created the letter A. Note the wood grain added. The first stroke in a stop cut is to slice very carefully to the depth you want. In this case I am creating a cut straight down. Remember not to try and go too deep on the first try but rather make a series of stop cuts until you reach the desired depth and shape. So this first stroke if very shallow to only just begin creating depth. Heres what it looks like in playdoh The second stroke of a stop cut is to slice a very thin sliver off. Carve with your blade or chisel towards the stop cut. A small sliver should pop free creating depth. Repeat this process until you reach a depth and shape you want....yes I know it doesnt look great in playdoh but you get the idea. I am using a small kitchen knife to represent my micro chisel or #11 blade. Remember that the piece is just 1/32" thick so you will be taking it down at microscopic intervals as you repeat the two stroke stop cut many times on each side of the cross piece. Then start the process on the other side of the cross bar... Eventually you will have created some depth in the piece and then you could further shape it by rounding off the edges and cleaning it up.... again ...take a look at my first attempt and and how the cross piece of the letters looks after applying stop cuts to each side....then cleaning it up. I am sure more experienced carvers can do a much better job with it but this particular cut is used throughout relief carving for ship model carvings. You will use it a lot. As I did on my paper design...you can mark where you want your stop cuts in advance....they are shown in red on the drawing. You can see the other carving and probably pick out where I used the stop cut. I like to plan ahead and mark them out on my drawing. I like to pencil where all of the overlaps will be and depth is created. Its easy to lose track when you lose yourself in the carving process and seeing the pencil marks on the carving helps avoid a mistake where you will have to start over. see my pencil marks on the uncarved half of this piece. They show where I will use stop cuts.
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Hornet... I thought the same thing. I havent given up hope though. I thought he would get excited about this and share his experience and expertise by joining in and becoming a mentor for rotary enthusiasts. Anyway, lets get this topic back on track without commenting further about it and just hope he see how ridiculous he is being. I will continue with my carving techniques discussion showing a stop cut for those who are interested. Chuck
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Too yellow...a very obnoxious yellow for my tastes... also too hard for me to work with. I couldnt imagine carving it. But before we go to far....can we move the discussion of wood choices to the other "tool and wood" topic in this group area. This way it will be where everyone will eventually look for it. Its too easy to get off track as I am guilty of here too. See you over in that topic....I want to keep this one to the carving techniques as much as possible....
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For our needs basswood is problematic...I did carve one of the crowns in cherry but using castello worked much better. I have not tried pear. I have tried Yellow cedar and that works beautifully. Carves like butter. No grain at all. Its a softer wood but very strong. Hold a clean crisp egde. I also tried Jelatung and Tupalo (I think thats how you spell it) Not good for our small carvings though. Way too soft. But Alaskan Yellow cedar has possibilities. I Loved it so much I actually started building another barge with it. Here is a sneak peek. In comparison with Cherry version. If you can get some its worth a try. The entire backbone is done in alaskan yellow cedar.
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I found that with a fresh sharp blade it is possible to cut cross grain as Janos suggest but slicing the edge there seems to cause a high probability of the blade catching on the grain. At least with my attempts. And believe me , as a complete beginner I am just getting familiar with the whole thing. But this is why we started this group.... It is meant to explore all methods with all tools...rotary included. Everyone will have their favorite. I am curious what everyone will experience and what their opinions and preferences will be. So I urge all of you to start one of these mini-carving logs here when you get your carving blanks. And let everyone know how it went.
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Some criteria for starting a new group project
Chuck replied to Chuck's topic in Group Projects on Model Ship World
Through the NRG....I am mailing Kurt 20 sets tomorrow morning. He will add the line item to the NRG store. But as they run low on stock I will cut more and send them. Chuck -
The issue with chisels for me is the actual size and delicate nature of the parts we are carving. I just cant use the chisels with the same control as a #11 blade. A scalpel blade would be good also. Remember...these are tiny thin pieces of wood. Using a #11 blade you are just using the very tip. The last 1/32" portion of the very tip.....no more. Until you get a chance to try them all it would be hard for anyone to describe it. That was one of the benefits of getting everyone together at my shop so we could all try each others chisels and blades. Its the only way to tell. In fact, it wasnt until I tried a good quality chisel that I decided to buy them. They are expensive.
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I actually still use the #11 blades even though I have a whole set of chesels. They just get into the nooks better in my opinion. I am no authority on the subject though. I did use the "v" shaped groove chisel to make the veins in the leaves which was easier than making "chip cuts" with a #11 blade. So I guess it depends on what you are carving at the moment. And what you are more comfortable with.
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I havent used them much yet.....but flexcut has a special shaped "whatcha-ma-bob" to sharpen them. See below. http://www.flexcut.com/pw12-flexcut-slipstrop/ They also have a great how to video showing how to sharpen the chisels. Cant say much else because I barely used mine.....havent tried it yet. I mostly used a #11 blade. Chuck
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As I mentioned earlier...I am just a beginner with carving. But to get this group started, allow me the opportunity to describe the 4 basic cuts or techniques I used to carve the crown cipher and the other designs. This is what I covered with my local club before we undertook the actual carving. Because the pieces are so small, I used Playdoh to demonstrate the four cuts we were going to start with. It allowed us to demonstrate in larger scale so everyone could see it. Once I am done with cut one....please do reply and let me know if this method to describe the cuts translates well enough for the web. If you guys think this is a good method I will delete your replies and continue with the remaining three..... So let me begin. To start here is an exampled of the same cipher on a contemporary model. It very plainly carved. And its gilded. Here is my first try also gilded. When you download and print the design patterns here scaledecorationschart.pdf You will notice on the crown design below, that I added some lines and arrows....the short red lines indicate where we have stop cuts...to be explained later. The dark vertical lines show the wood grain. The arrows indicate suggested direction for slicing the laser char from the sides of your carving. Either with a # 11 blade or chisel. I used a #11 blade. I recommend you indicate the grain direction on the enlarged designs before you begin...and also draw in where you will place your stop cuts to establish depth....and arrows to indicate what direction you will slice and carve in. Its just good practice and a great exercise before the wood shavings start flying. As you can see I only did this for some of the cuts on the crown cipher......feel free to fill in the others on your design sheet before you begin. Note the left leg of the monogram. It has an arrow in green. This is used to demonstrate the importance in cut direction with your chisel or blade. The playdough piece below represents this same part of the crown cipher. Notice the grooves I added to represent the wood grain. When you are slicing with your chisel or blade....I watched everyone in my club group begin. It is logical that everyone would start with the design right side up.....and start with this leg of the design. The goal when starting is just to slice away the laser char from the sides of the piece. Most started slicing off small shavings in the direction shown below. I did this also. Its seems like the obvious way to do it. But guess what happened? The blade caught on the grain and either split the leg off entirely or creating a large chip along the grain direction which ruined the piece.....time to start again. Can you see how this would happen? Some also decided not to slice or chisel away the char as they were shaping the edges. They decided to scrape it off with the edge of the #11 blade. Not only did this make a horrible noise...I wouldnt recommend this approach. It leaves a dirty and rough surface that wont take a finish well. It just doesnt look good. Since we are trying to learn carving its best to try cutting or chiseling. Very tiny thin shavings....dont try to remove too much. This takes time to do. Its very delicate work. Instead Slice in the other direction as shown below. This may seem obvious to most but it is well worth mentioning. This completes the first type of basic cut used on these pieces. Its real beginner stuff but hopefully useful. Analyze your piece for the wood grain and its direction and pre-plan the direction of your cuts to avoid splitting and ruining your piece. You can do this ahead of time by drawing arrows on your printed design sheet. Let me know guys if this way of explaining the four basic cuts works....if it does....I will continue on with basic cut number two.....the stop cut. God I love the smell of playdoh!!!!!! Chuck
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Download the pdf here of the carving blank designs. It shows the designs actual size and also enlarged for clarity. The crown monogram is the easiest in my opinion and I recommend you start with that one. You will notice some red lines and arrows on the PDF.....They represent the wood grain and also a cheat sheet for deciding what direction you should slice in and where your stop cuts are located.... A more detailed explanation will follow and be placed in the pinned techniques......topic very soon!!! scaledecorationschart.pdf
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I carved my pieces using only a #11 blade. I also tried a few micro chisels from Flexcut. They worked really well. I only really used the "v" shaped one. The important thing is to keep them very sharp.....as soon as the #11 blades got a little dull I threw it away and got a new one. I havent done any rotary carving because I dont like the look of the pieces after using the bits. Too rounded for my tastes but only probably because I dont know how to do it correctly. I also like the feel of the blade vs. the rotary tool. But guys, please discuss your tools and approaches here and hopefully we will have a few that will try rotary carving. Chuck
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I am far from being an expert at carving in wood. This was my first attempt and it seemed to work really well. I am sure some of you will have alternative methods for mounting your carving blanks. The Queen's cipher is probably the easiest of the designs to start with so I recommend starting with those. To mount the blank, I used a thicker 1/8" or 3/16" thick piece of scrap wood (not included with the blanks). Its cherry and is hard enough to take a beating. I would imagine softer woods are not the best to use and probably should be avoided. The base was cut just a little larger than the piece being carved. It was glued on with a childs glue stick. This glue is easy to remove and cures permanent and strong....but will easily be treated with rubbing alcohol when the time comes to remove it. Dont be shy with how much you use. You want this piece secure. These are fragile pieces at 1/32" thick. Take special care with the areas that would be prone to breaking like the bottom tails for the letters. The glue will dry hard but also flatter. If some squished out its not a problem because you can easily scrape it away while carving. Because the designs are so thin it will have a tendency to curl when wet with glue. To solve this problem I sandwiched it with another small scrap piece and clamped it to dry. I let it dry overnight before starting to carve it. To remove the piece after you are done...I literally just filled a small plastic container with 90% rubbing alcohol and dropped it in. I let it fully submerge in a 1" deep bath for about 3 hours. It actually fell right off the base without any trouble. Feel free to share other ways here or in your logs when you start one. I would NOT recommend trying to carve these blanks without mounting them to a base. They will just break apart in the first 2 seconds. Chuck
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This group area was set up to allow folks to experiment with relief carving as a group. Share ideas, techniques and advice. Laser cut carving blanks have been made available for those of you interested in using them. If everyone uses the same design it will be easier to share ideas and comment about them as a group. But it is not a requirement. Feel free to join in with the group if you would rather carve a different pattern and design. I would ask however that you refrain from using more advanced subjects like figureheads and fully "in-the-round" subjects as it is beyond the scope of this group at this time. To purchase a set of carving blanks CLICK HERE You will notice a few "pinned topics" at the top of this group area. These pinned topics were set up as an area for all to discuss those related subjects. If you have a question or comment related to them please post within those topics so everyone can easily find them later. Other than those pinned topics, we ask that you only create a mini-carving log of your own. Please title it similar to the example listed below. "Chuck's carving log" or maybe "Chucks first attempt at carving" It will work just like any other build log. This forum should not have any topics in it other than the properly named "carving logs" and pinned topics. Should you want to ask a question or post something, make sure it is posted in either a log or one of the instructional topics in the tabs above. Dont start a new topic. If for whatever reason you guys feel there is a need for a new instructional topic because your discussion doesnt relate to the ones already there....just start another one in the "tutorials and discussions" tab. You know the drill....this basically works like all of the other group project areas. See the other tabs above in this group area that have all the tutorials and instructions!!!! Feel free to ask any questions about this group here. All questions and comments are appreciated and very helpful.
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Some criteria for starting a new group project
Chuck replied to Chuck's topic in Group Projects on Model Ship World
Your ears must have been burning. I am hoping to make a whole bunch of carving blanks.....package them up.....and send them to Kurt. Hopefully he can add them to the website so you guys can buy them. I didnt write anything like a "how to carve" but after having the workshop I dont think we will need that. I will just start an area where folks can share their experiences while trying to carve the blanks. I will post a few words about what we did in the workshop and how some of the guys chose to approach it. Then we can just talk about our own attempts once you guys get them. Here is what they will look like. They are very simple...Not very large....typical ship model-like decorations....they basically are the blanks for my barge prototype. They will be laser cut from 1/32" thick boxwood. As far as tools, I used primarily a #11 blade although I also used a flexcut mini chisel forsome aspects. The "v" shaped kind. I am sure everyone will have there own preferences. But its a few weeks away....at least. -
Yes I did....right out of the package. These Albion tubes are so thin-walled there is no need to anneal them. They are very soft and pliable. Just a few light taps on each side is all you need. As you can see in the photo they start out much longer and after you tap them they get thinner because they stretch so easily. Yet when completed they are still stiff enough that they hold their shape real nice. I dont worry about making them perfectly the same width or length. It goes so quickly that it takes about a 1/2 hour to make several dozen. Then as I need them its easy to find a bunch that came out the same if that is what is needed. I used 1.5 mm tubes for these.
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