Qidi Plus 4: power use and running cost
65 C actively heated chamber and 370 C hotend for engineering filaments; discontinued in 2026 in favour of the Plus 5. 305 × 305 × 280 mm build volume, enclosed.
Power figure: estimated. Estimated from Qidi's 450 W + 400 W chamber-heater rating and igor'sLAB's ~210 W PLA reading on the similar X-Plus 3; chamber heater off for PLA.
Electricity cost for a print on the Qidi Plus 4
Full cost of a print on the Qidi Plus 4
Pre-set with this printer's wattage and price for depreciation. Enter grams and hours from your slicer.
Layer heights that suit the Qidi Plus 4's Z axis
Z moves 0.0200 mm per full step (lead screw, 4 mm per motor revolution, 200 steps/rev, 6400 steps/mm). Whole multiples of that are "magic" heights: every layer lands on a full step instead of a less accurate microstep.
| Layer height | 0.08 | 0.10 | 0.12 | 0.15 | 0.16 | 0.20 | 0.24 | 0.25 | 0.28 | 0.30 |
|---|---|---|---|---|---|---|---|---|---|---|
| On a full step? | yes | yes | yes | no → 0.16 | yes | yes | yes | no → 0.26 | yes | yes |
Basis: firmware. QIDITECH/QIDI_PLUS4 config/printer.cfg: [stepper_z] rotation_distance 4, microsteps 128, full_steps_per_rotation 200 (TMC2209) → Tr8x4 lead screws (dual Z), 0.02 mm full step (6400 steps/mm). Open in the magic layer height calculator.
Questions about the Qidi Plus 4
How many watts does the Qidi Plus 4 use?
About 200 W on average while printing PLA, 20 W when idle and up to 850 W while heating. Estimated from Qidi's 450 W + 400 W chamber-heater rating and igor'sLAB's ~210 W PLA reading on the similar X-Plus 3; chamber heater off for PLA.
How much does it cost to run a Qidi Plus 4 for 24 hours?
4.8 kWh, which is $0.82 at $0.17/kWh (US average) or about £1.25 at UK rates.
Does the Qidi Plus 4 use a lot of electricity?
No. Running it 8 hours a day for a month costs roughly $8.16 at US rates — comparable to a desktop computer.
What are the best layer heights for the Qidi Plus 4?
The Qidi Plus 4's Z axis moves 0.0200 mm per full motor step (4 mm per revolution, 200 steps). Layer heights that are whole multiples of that — 0.08, 0.1, 0.12, 0.14, 0.16, 0.18, 0.2 mm — avoid microstep rounding. 0.15, 0.25 mm are not exact multiples.