Unanswered Questions

15 questions with no upvoted or accepted answers
7
votes
0answers
117 views

Plastics options for molding

I am creating a sword for cosplay, and I need the material used to be clear, rigid, and lightweight, and to cure properly in such a thin mould (and can be poured into the mould I have, as I'd prefer ...
6
votes
0answers
75 views

What is this style of picture frame called?

I have some convex glass silhouette paintings from the Benton Glass Company from the 30s or 40s. They came with metal frames, each bent from a single piece of metal with a hook on one end and a hole ...
5
votes
0answers
56 views

What are these blue spots on a AISI 301 steel plate?

Hi, This is a x150 microscope view of a 301 steel plate. It is covered by this type of small blue spots. It appeared after the steel had been treated at 400°C. The subcontractor thinks that the ...
4
votes
0answers
48 views

Too much vinegar in clay - how to get back plasticity

I've added too much vinegar to my clay and made it too sticky. Is there any fast way to get back the plasticity other than just slowly drying and then adding water back in? Would an alkaline solution ...
3
votes
0answers
30 views

Comparison: epoxy resin vs. glass

I wonder how does epoxy resin compare to glass. I have in mind at least: mechanical strength; elasticity / bending; "break-ability" others. The source for this "curiosity" is the ...
3
votes
0answers
38 views

Tempera Paints for Making Washes?

I do a lot of hobby crafting for tabletop gaming that involves painting miniatures and building scenery (think model railroad hobbyists). In this craft, there is a lot of need for washes of different ...
2
votes
0answers
17 views

Can 2350 Sealer be used with Smooth-On Slow 15?

I am using a 2350 Sealer to make sure the silicon (Dragon Skin Smooth-On) does not stick to the mold I have created with Smooth-On 15 Slow. But from the creation of the mold, I have seen that there is ...
2
votes
0answers
32 views

Can I create a 'professional level' Canvas Weave, using a Manual Loom machine?

I would like to start Weaving my own Cotton Yarn, using a Manual Loom Machine, as to create my own Cotton Canvas Fabric. The Fabric will be used to create Canvas Paintings, which will be stretched ...
2
votes
0answers
137 views

How to draw a snub dodecahedron?

I like to know how to draw a snub dodecahedron using just a pencil, compass, marked ruler and calculator (using the calculator to calculate some trigonometric functions, and to measure distances with ...
2
votes
0answers
38 views

Can large pieces of slipware be dried without a kiln?

I have a clay (plasticine) positive of a human figure standing 5' tall Next step is making a rubber mold for the lost wax process and a bronze positive May I use the rubber mold for slip after the ...
2
votes
0answers
319 views

Light fastness in NuPastel

I am new to pastel drawing. I have a few Nupastels that I purchased a few years ago. I am interested in purchasing more of these, but I read a few posts on the web that Nupastels are not light-fast ...
1
vote
0answers
66 views

How to reduce ink flow of Pilot Parallel Pen?

I have a 2.8 Pilot Parallel Pen. It simply flows too much ink when writing. I have the 6mm too and it is just fine. Is there a way to reduce ink amount? https://pilotpen.com.au/products/parallel-pen/
1
vote
0answers
27 views

What would be a good sealant to use over Posca on rocks and plastic?

Im painting some rocks for a school project, little ones around a garden, and im looking for a good sealant/clearcoat. The rocks are pretty porous, but the paint is water-based, so it will easily come ...
0
votes
0answers
27 views

Which steels can be nitrogen quenched?

I have been making knives as a hobby mostly for myself and friends for some time now. I have been using mostly carbon steels such as UHB20C/1095, O1, 5160. I want to step up my game with more exotic ...
0
votes
0answers
38 views

Can I replace the pencil and marker with ballpoint refills in the Lamy CP1 Tri Pen?

I'm interested in the Lamy CP1 Tri Pen, which is a multipen that comes with three pen types - black ballpoint (M 21), pencil (M 41), and orange marker (M 55). Is it possible to swap out the pencil ...