Cascatelli vs Radiatori
Cascatelli is half-tube with a ruffled flange, curved into a half-loop. Radiatori is squat cylinder with deep fins, like a car radiator.
Side by side, to scale
10 mmCascatelli: 30 to 40 mm by 12 to 16 mm
Radiatori: 25 to 35 mm by 15 to 20 mm
Footprints from the length and width in each record, one scale for both. See every shape on the chart.
| Family | Short shapes | Short shapes |
|---|---|---|
| Region | United States | All of Italy |
| Section | Half-tube with a ruffled flange, curved into a half-loop | Squat cylinder with deep fins, like a car radiator |
| Length | 30 to 40 mm | 25 to 35 mm |
| Width or diameter | 12 to 16 mm | 15 to 20 mm |
| Surface | Ridged | Ridged |
| Hollow | No | No |
| Dough | Semolina and water | Semolina and water |
| Cook time | 10 to 13 min | 10 to 12 min |
| Brands with a page | not measured | De Cecco, Rummo, Garofalo, La Molisana |
| Catalogue numbers | not measured | De Cecco no. 199, Rummo no. 137, Garofalo no. 87, La Molisana no. 73 |
| Cook time across brands | not measured | 8 to 9 min |
| Brand dimensions | not measured | Rummo: 25 mm long |
| Energy, dry, per 100 g | 371 kcal (dry semolina pasta) | 371 kcal (dry semolina pasta) |
| Protein, dry, per 100 g | 13.0 g | 13.0 g |
| Products catalogued | not measured | 6 |
| Pairs with | Meat ragu, Cream sauce, Mac and cheese, Vegetable ragu, Sausage ragu | Cream sauce, Mac and cheese, Vegetable ragu, Pomodoro, Pasta salad, Four cheese |
Cascatelli
Designed for sauce: the trough holds it, the ruffle grips it, and the curve keeps it on the fork. Ragu, cream, cheese sauces, and chunky vegetable sauces all work.
Radiatori
Deep fins trap everything. Cheese sauces, cream, thick tomato, a chunky vegetable sauce, a cold dressing. It is one of the best shapes for a thick sauce that needs to cling.
Can you swap them?
Radiatori for cascatelli: yes, a finned shape.
Both take Cream sauce, Mac and cheese, Vegetable ragu.
Only cascatelli: Meat ragu, Sausage ragu.
Only radiatori: Pomodoro, Pasta salad, Four cheese.
Sources
- Dimensions, surface, dough, and cook time: each shape page names the brand page, spec sheet, or measured box behind every figure.
- Brands, catalogue numbers, brand cook times, and brand dimensions: the brand product pages linked on each shape page, read on 2026-08-25.
- Energy and protein: USDA FoodData Central, per 100 g of the dough, public domain.
- Products catalogued: Open Food Facts, Open Database License, read on 2026-08-25. A crowd database: a count is a floor.

