PaPang Posted August 22, 2009 Author Share Posted August 22, 2009 Since I have to go to a birthday party today, instead of posting tomorrow as planned, I will have to do so today because I don't know in what shape I will be tomorrow and MAY no be able to post. I finally got hold of some spray adhesive, but is was a "loaner" since I could not find any in stores. Local spray adhesive is permanent which is not desirable for stencils. You have to be able to remove the stencil once the surface is painted, thus the need for imported stuff which is more flexible in this aspect. This or similar was what I needed: Also I found out that thin styrene is not appropriate for multi-curve (like a ball) surfaces as it is too stiff. It will not hold its shape even taped (it will pull the tape off). The solution would be to buy mylar which is thinner and more flexible for curves but I still would need the adhesive so that the stencil would hug the surface and prevent "bleeding". The can of adhesive was so old that it was rusted along the edges and when I sprayed, the adhesive came out in spurts. Damn!! No wonder this friend "loaned" me the can, it was old and almost non-functional! Rummaging thru my storage space, I found a roll of supposedly paper with adhesive backing. Well, it was so old that the glue melded with the paper. But instead of throwing it out, I thought I could use it for stenciling: Yes, it was flexible enough and trying out the adhesive (I placed/glued the stencil on the table to remove some of the loose adhesive), it too worked enough to get the blue paint down. The only thing was that it left particles of glue on the surface (when new, it will not do this) and I had to laboriously remove the gum without messing up the paint below. Ahh, to be a modder in Mexico, almost Mission Impossible! I let the blue dry overnight and continued with the gray. Ohh, almost forgot, while the blue paint dried, I went back to how to cover the front I/O hole. I must admit that Maciel gave me the idea on how to do this. First some "U" shaped aluminum. After supergluing and screwing in the aluminum, some bondo to fix the corners. and the cover, some 1mm thin acrylic cut to the size ($20mn got me enough to make 2 covers, if needed). I will tint the acrylic to hide what is behind and I know, crummy close ups (my camara lense is very bad for close ups, well what do you expect for $70 usd?) Tips: Do not use old spray adhesive unless you are desperate. It is not worth the trouble and extra work for using it (I had no choice), that is if you are willing to spend around $20 usd per can (not me, I need it for food). Stencils are fine for flat or one-curve surfaces. It is fast and economical, specially for short run T-Shirts, home decoration and such. For this, .20mil styrene is great, if you have it like me. For multi-curve surfaces like the Ovni, mylar or similar is better (rather obligatory). When stenciling, lay down the clearest color first (aluminum in my case), then the next darkest (blue) and finally the darkest (gray). The reason is that the stencil has to overlap the color next to it and darker colors will cover lighter colors easily (gray over blue). Due to the lousy adhesive, there is a slight "feathering" of the colors, but visible only close up. The other recourse was taping, but that would slow me down as the paint underneath the tape has to be very cured or when you remove the tape, off goes the paint. My stencils are aligned with registry marks and even so, there are a few places that the gray did not cover the blue and the aluminum color can be seen between them (again the culprit is the curves). Hmmm... I will have to think of something to cover it up with. I will make more stencils as the rest will require a set: one for the leading edge and another for the top dome. If I the adhesive is sufficient, as it is absolutely necessary, I will finish up in good shape. I plan to top coat the camouflage with a couple of coats of totally flat matte clear for durability (that is if I can find it in a spray can-no luck at Home Depot or Soriana, just gloss clear/transparent). Well, time to eat and drink!!!! Yahoo!!! Man Hours used: 8 hours $ Used/spent: -0- -------------------- Accumulated ham hours: Accumulated Expense: This is pending as my home site closed down for maintenance and I did not copy the amounts down before closing. Thanks for dropping by, all comments are appreciated and will get a guaranteed response. No I'm not bothered at all, like others about answering, I consider myself a social being and in no way above anyone. I am still learning and not afraid to say so, hoping someday to be a Master modder (but not because I say so, that is a label best placed by others in all humbleness). May I burn in :) the day I consider myself better than anyone! (Yup I am opinionated and have a very sharp point of view--must be the age!) Cheers/Saludos Link to comment Share on other sites More sharing options...
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