Prusa cuts MK4S price and shipping on CORE One+ in summer deal
Prusa’s summer sale trimmed up to 20% off the assembled MK4S and cut CORE One+ shipping to $69.99 in the U.S., lowering the real checkout cost.
Prusa’s Flash Summer Deal 2026 ran until July 14, and the buying math was easy to read: up to 20% off the assembled MK4S plus reduced CORE One+ shipping changed the actual checkout number, not just the headline price. In the U.S., Prusa set CORE One+ shipping at $69.99, while Europe got free shipping; Prusa also said orders over $200 or 200 € qualified for free worldwide shipping.
If you were shopping for a first Prusa, the MK4S was the cleaner place to start. Prusa’s product page describes it as designed and built in the EU and emphasizes top-class reliability and safety features, and Prusa’s support pages show active software upkeep with MK4S firmware 6.5.7 dated June 19, 2026 and PrusaSlicer 2.9.6 dated June 30, 2026. That makes the 20% assembled-printer discount more than a seasonal tease: it lowered the entry price on a machine that was still getting current firmware and slicer attention.
The deal also made sense for owners moving up from an MK3 or MINI. Prusa launched the MK4S in August 2024, then later published its “One Year with the MK4S: Here to Stay & Permanent Price Drop” post, which signaled that the model had already been pulled into long-term pricing support before the summer sale arrived. For anyone who had been waiting to upgrade without paying full freight, the summer discount stacked on top of that earlier positioning and made the jump easier to justify.
The CORE One+ incentive mattered in a different way. Prusa describes it as a fully enclosed CoreXY 3D printer with active chamber temperature control, and the shipping cut hit one of the costs that can quietly push a larger machine out of range. At $69.99 in the U.S. and free in Europe, plus free worldwide shipping on orders above $200 or 200 €, the promotion helped close the gap for buyers who were already looking at enclosure, temperature control and a more advanced machine.
Waiting for the next Prusa sale was a gamble with a known pattern. Prusa had already run a Spring Deal 2026 with free shipping, and earlier seasonal promotions included an Assembled MK4 Special Summer Deal with free shipping and a one-year extended warranty, plus an XL summer deal with free shipping and filaments. That history made the July 14 window feel less like a one-off and more like another chance to shave real money off a purchase that was already on the shortlist.
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