First tests of resolution on CR-10 FDM printer
       
     
Core Pattern 1.1
       
     
Render View of casting
       
     
Pattern 1.1 for outer mould
       
     
Core Mould case
       
     
core pattern 1.1 Ringing
       
     
       
     
Assembled parts of mould patterns
       
     
Firing 1 result
       
     
Mould shrinkage
       
     
Incomplete casting
       
     
Partially finished casting
       
     
View from the inside
       
     
IMG_20191222_1603449.jpg
       
     
IMG_20191223_1206459.jpg
       
     
First tests of resolution on CR-10 FDM printer
       
     
First tests of resolution on CR-10 FDM printer
Core Pattern 1.1
       
     
Core Pattern 1.1
Render View of casting
       
     
Render View of casting
Pattern 1.1 for outer mould
       
     
Pattern 1.1 for outer mould
Core Mould case
       
     
Core Mould case

Outer support casing for silicone mould to cast refractory core.

core pattern 1.1 Ringing
       
     
core pattern 1.1 Ringing
       
     
Outer Mould pattern 1.2

Printing a plastic mould to cast the refractory mould that forms the outer surface of the glass casting.

Assembled parts of mould patterns
       
     
Assembled parts of mould patterns
Firing 1 result
       
     
Firing 1 result

Refractory mould and spilt glass after first firing attempt. The parts have separated as the mould material shrank on firing, and the cores floated up in the molten glass.

Mould shrinkage
       
     
Mould shrinkage
Incomplete casting
       
     
Incomplete casting

The core had floated up in the mould and blocked the gate. It appeared full at the time of feeding the mould, but was in fact only half full.

Partially finished casting
       
     
Partially finished casting
View from the inside
       
     
View from the inside
IMG_20191222_1603449.jpg
       
     
IMG_20191223_1206459.jpg