This is no illusion.
The cleverly designed double tubular columns appear to hang in the air, while the heat generated is nothing short of miraculous.

| Length (cm) | Height (cm) | Pipes or Sections | C/C of Pipes (cm) |
|---|---|---|---|
| 49 | 54 | 8 | 50 |
| 73 | 54 | 12 | 50 |
| 98 | 54 | 16 | 50 |
| 122 | 54 | 20 | 50 |