The phrase "and then designed a" is correct and usable in written English.
It can be used when describing a sequence of actions where designing is one of the steps taken after another action.
Example: "After conducting thorough research, the team analyzed the data and then designed a new marketing strategy."
Alternatives: "subsequently created a" or "then developed a".
In each country, he felt, the revolutionaries deduced certain universal truths about the rights of man and then designed a new society to fit them.
After his retirement, Mr. Bloch remained in real estate and other financial ventures, built a house in rural Vermont and then designed a final family home in Roxbury, CT.
We implemented a hospital-wide initiative to determine the reasons that perioperative personnel use IUSS to sterilize items and then designed a program to reduce the hospital's rates.
Then, we studied the dynamic process of the ramp systems, determined the congestion mechanism, and then designed a ramp control method based on the obtained mechanism.
To solve the problems of low image contrast ratio and flat definition evaluation curve under low light, M. Gamadia et al. adopted an image enhancement method to increase the contrast of the image and then designed a corresponding focusing evaluation function to measure the image contrast [7].
We leveraged a technique called the network representation learning to embed a gene network into a compact and robust feature space, and then designed a hierarchical statistical model to integrate features of multiple gene networks with GWAS data for the effective inference of genes associated with a disease of interest.
He made pairs of drawings of a solid object as seen from the slightly different perspectives of the two eyes, and then designed an instrument that used mirrors to insure that each eye saw only its own drawing.
The WC identified the issues that a given patient faced and then designed an individualized plan of care by actively engaging the patient in the process.
Read "Credit Cards and What You Need To Know" and then design a warning poster or label that advertises the potential dangers of using a credit card irresponsibly.
"It's within the realm of possibility," he continued, to systematize and ameliorate "the dysfunction" in the design process by creating a psychological profile of a client and then designing a home to fit.
In each capital Mr. Fazel would research the state's history in a library and then design a 10-by-14-inch 10-by-14-inch 10-by-14-inch 10-by-14-inchaics he concocted from stampostcarded tonthe state.
