3 ms·

Considering the large empty spaces with sintered bronze shells, this is really a mix between sintering and lost-PLA casting. The requirement to add significant

Considering the large empty spaces with sintered bronze shells, this is really a mix between sintering and lost-PLA casting. The requirement to add significant volume to your print object in order to have more bronze to flow into your desired shape is removing most of the advantage this has over plain lost-PLA casting. I wonder at the feasibility of producing filament that's 80% bronze by volume.

ddingus 7y ago
Some are higher than 90 percent! I sampled such filament and it is just flexible enough to be useful. IMHO, lost PLA is more efficient and less difficult. There are other materials that can be used for casting that have very low ash and print and can be smoothed with isopropyl alcohol most baths. These are proving robust, but the material has a narrow operating band. Printing requires high degrees of process control. https://www.thevirtualfoundry.com/ https://www.thevirtualfoundry.com/ Polymaker PolyCast 3D Printer Filament, 2.85mm https://www.amazon.com/dp/B07J4WK52F/ref=cm_sw_r_cp_apa_i_1.DuDbZ4FP699 https://www.amazon.com/dp/B07J4WK52F/ref=cm_sw_r_cp_apa_i_1.... For child comment as I hit the annoying post limit. :D
- Causality1 7y ago
  Could you link me to one of those? I don't seem to be able to find them.
  - ddingus 7y ago
    In comment above, I hit post limit earlier
    - Causality1 7y ago
      Thanks, you never can tell when you're going to be muted, can ya? It's fun to watch your point total swing wildly up and down without being able to see any changes on the individual comments. HN's system is obtuse bordering on Cthulhoid and I often get the impression there's a finger on the scales.
      - ddingus 7y ago
        I totally believe that too. And I do not care much. Their show. Works both ways too. My investment is limited at any time too. So, take it, leave it, meh No real worries, other than the occasional bump in the road.

ddingus 7y ago

Some are higher than 90 percent! I sampled such filament and it is just flexible enough to be useful. IMHO, lost PLA is more efficient and less difficult. There are other materials that can be used for casting that have very low ash and print and can be smoothed with isopropyl alcohol most baths. These are proving robust, but the material has a narrow operating band. Printing requires high degrees of process control. https://www.thevirtualfoundry.com/ https://www.thevirtualfoundry.com/ Polymaker PolyCast 3D Printer Filament, 2.85mm https://www.amazon.com/dp/B07J4WK52F/ref=cm_sw_r_cp_apa_i_1.DuDbZ4FP699 https://www.amazon.com/dp/B07J4WK52F/ref=cm_sw_r_cp_apa_i_1.... For child comment as I hit the annoying post limit. :D

Causality1 7y ago
Could you link me to one of those? I don't seem to be able to find them.
- ddingus 7y ago
  In comment above, I hit post limit earlier
  - Causality1 7y ago
    Thanks, you never can tell when you're going to be muted, can ya? It's fun to watch your point total swing wildly up and down without being able to see any changes on the individual comments. HN's system is obtuse bordering on Cthulhoid and I often get the impression there's a finger on the scales.
    - ddingus 7y ago
      I totally believe that too. And I do not care much. Their show. Works both ways too. My investment is limited at any time too. So, take it, leave it, meh No real worries, other than the occasional bump in the road.