If, by sturdy, you mean rigid, the answer is no. Without a diagonal brace, a square can easily be distorted into a rhombus.
Sturdy is not a verb but an adjective and therefore has no past tense, unless you mean "this was sturdy" etc.
Sturdy
more sturdy
The desk was sturdy.
what meaning of sturdy
Don Sturdy was created in 1925.
Julian Sturdy was born in 1971.
a lock that is sturdy and not easy to open get a dudley lock they are very hard and sturdy and dont break very easily.
the table is sturdy enough to sit on it.
A sturdy bed can be purchased at any high quality furniture and bed stores. IKEA offers extremely sturdy beds. Some of their sturdy beds also come with built-in storage.
To effectively tie bamboo together to create a sturdy structure, you can use strong and durable materials such as rope or twine. Start by wrapping the rope tightly around the bamboo poles, making sure to secure them at key points to provide stability. Additionally, using a secure knot, such as a square knot or a clove hitch, will help ensure that the structure remains sturdy.
A police officer needs a new pair of sturdy shoes