The phrase "a handiwork" is correct and usable in written English.
It can be used to refer to something that has been made or crafted by hand, often implying skill or artistry.
Example: "The artist displayed a handiwork that showcased her talent and creativity."
Alternatives: "a creation" or "a craft".
Peace is a craft, a handiwork".
Local ladies weave rugs from scraps of cast-off clothing, selling their a handiwork as souvenirs, while next door diamond-encrusted Chopard watches catch the alpine sun from behind bulletproof glass.
This is why Journey into Europe -- a handiwork of Dr. Akbar S. Ahmed, the Ibn Khaldun Chair of Islamic Studies at American University -- is both important and relevant to the current crises brewing across European countries.
A lace handiwork whose delicate patterns were violated by prewar coffee stains.
On the other hand, "the unconcealment itself… is never a human handiwork" (Question Concerning Technology 324).
However, if you want to work with multiple tones that aren't already on your cabinets, you'll need to do a little handiwork.
The momentum and morale of this impressive siege took a serious hit when they stumbled upon a bit of Dracula's handiwork: a literal forest of stakes adorned with 20,000 men from Mehmed's previous Ottoman army.
Slastan spotted an enemy of his handiwork — a specific style of shoe that, he said, scrapes the court's surface more than others.
Lindows depends heavily on a program called WINE (which stands for WINE Is Not an Emulator), the handiwork of an open-source community of volunteer programmers.
In several of the stories characters toil at close, painstaking handiwork: an embroiderer, a signwriter and, fascinatingly, the illustrator Edward Gorey – ciphers for artist Jansson herself?
It's an attempt by an experienced artist to imitate a child's handiwork.
